Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/42379?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/42379?format=api", "vulnerability_id": "VCID-h1wx-mfju-eker", "summary": "Cross-site scripting (XSS) in Apache Velocity Tools\nThe default error page for VelocityView in Apache Velocity Tools prior to 3.1 reflects back the vm file that was entered as part of the URL. An attacker can set an XSS payload file as this vm file in the URL which results in this payload being executed. XSS vulnerabilities allow attackers to execute arbitrary JavaScript in the context of the attacked website and the attacked user. This can be abused to steal session cookies, perform requests in the name of the victim or for phishing attacks.", "aliases": [ { "alias": "CVE-2020-13959" }, { "alias": "GHSA-fh63-4r66-jc7v" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/942072?format=api", "purl": "pkg:deb/debian/velocity-tools@2.0-8?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/velocity-tools@2.0-8%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/1056320?format=api", "purl": "pkg:deb/debian/velocity-tools@2.0-8", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/velocity-tools@2.0-8" }, { "url": "http://public2.vulnerablecode.io/api/packages/942073?format=api", "purl": "pkg:deb/debian/velocity-tools@2.0-9?distro=trixie", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/velocity-tools@2.0-9%3Fdistro=trixie" }, { "url": "http://public2.vulnerablecode.io/api/packages/85708?format=api", "purl": "pkg:ebuild/dev-java/velocity@2.3", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:ebuild/dev-java/velocity@2.3" }, { "url": "http://public2.vulnerablecode.io/api/packages/76053?format=api", "purl": "pkg:maven/org.apache.velocity.tools/velocity-tools-parent@3.1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.velocity.tools/velocity-tools-parent@3.1" } ], "affected_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/1056315?format=api", "purl": "pkg:deb/debian/velocity-tools@1.4-4", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-h1wx-mfju-eker" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/velocity-tools@1.4-4" }, { "url": "http://public2.vulnerablecode.io/api/packages/1056316?format=api", "purl": "pkg:deb/debian/velocity-tools@2.0-2", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-h1wx-mfju-eker" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/velocity-tools@2.0-2" }, { "url": "http://public2.vulnerablecode.io/api/packages/1056317?format=api", "purl": "pkg:deb/debian/velocity-tools@2.0-3", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-h1wx-mfju-eker" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/velocity-tools@2.0-3" }, { "url": "http://public2.vulnerablecode.io/api/packages/1056318?format=api", "purl": "pkg:deb/debian/velocity-tools@2.0-6", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-h1wx-mfju-eker" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/velocity-tools@2.0-6" }, { "url": "http://public2.vulnerablecode.io/api/packages/1056319?format=api", "purl": "pkg:deb/debian/velocity-tools@2.0-7", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-h1wx-mfju-eker" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/velocity-tools@2.0-7" }, { "url": "http://public2.vulnerablecode.io/api/packages/234465?format=api", "purl": "pkg:maven/org.apache.velocity/velocity-tools@1.3", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-h1wx-mfju-eker" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.velocity/velocity-tools@1.3" }, { "url": "http://public2.vulnerablecode.io/api/packages/234466?format=api", "purl": "pkg:maven/org.apache.velocity/velocity-tools@2.0-beta2", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-h1wx-mfju-eker" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.velocity/velocity-tools@2.0-beta2" }, { "url": "http://public2.vulnerablecode.io/api/packages/234467?format=api", "purl": "pkg:maven/org.apache.velocity/velocity-tools@2.0-beta3", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-h1wx-mfju-eker" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.velocity/velocity-tools@2.0-beta3" }, { "url": "http://public2.vulnerablecode.io/api/packages/234468?format=api", "purl": "pkg:maven/org.apache.velocity/velocity-tools@2.0-beta4", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-h1wx-mfju-eker" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.velocity/velocity-tools@2.0-beta4" }, { "url": "http://public2.vulnerablecode.io/api/packages/234469?format=api", "purl": "pkg:maven/org.apache.velocity/velocity-tools@2.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-h1wx-mfju-eker" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.velocity/velocity-tools@2.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/234321?format=api", "purl": "pkg:maven/org.apache.velocity.tools/velocity-tools@2.0-alpha1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-h1wx-mfju-eker" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.velocity.tools/velocity-tools@2.0-alpha1" }, { "url": "http://public2.vulnerablecode.io/api/packages/234475?format=api", "purl": "pkg:maven/org.apache.velocity.tools/velocity-tools-parent@3.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-h1wx-mfju-eker" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/org.apache.velocity.tools/velocity-tools-parent@3.0" } ], "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-13959.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-13959.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2020-13959", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.03207", "scoring_system": "epss", "scoring_elements": "0.87054", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.03207", "scoring_system": "epss", "scoring_elements": "0.87024", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.03207", "scoring_system": "epss", "scoring_elements": "0.87035", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.03207", "scoring_system": "epss", "scoring_elements": "0.87038", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.03207", "scoring_system": "epss", "scoring_elements": "0.87034", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.03207", "scoring_system": "epss", "scoring_elements": "0.87018", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.03207", "scoring_system": "epss", "scoring_elements": "0.86966", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.03207", "scoring_system": "epss", "scoring_elements": "0.86976", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.03207", "scoring_system": "epss", "scoring_elements": "0.86995", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.03207", "scoring_system": "epss", "scoring_elements": "0.86988", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.03207", "scoring_system": "epss", "scoring_elements": "0.87008", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.03207", "scoring_system": "epss", "scoring_elements": "0.87016", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.03207", "scoring_system": "epss", "scoring_elements": "0.87029", "published_at": "2026-04-11T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2020-13959" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13959", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13959" }, { "reference_url": "https://lists.apache.org/thread.html/r6802a38c3041059e763a1aadd7b37fe95de75408144b5805e29b84e3@%3Cuser.velocity.apache.org%3E", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.apache.org/thread.html/r6802a38c3041059e763a1aadd7b37fe95de75408144b5805e29b84e3@%3Cuser.velocity.apache.org%3E" }, { "reference_url": "https://lists.apache.org/thread.html/r6802a38c3041059e763a1aadd7b37fe95de75408144b5805e29b84e3%40%3Cuser.velocity.apache.org%3E", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.apache.org/thread.html/r6802a38c3041059e763a1aadd7b37fe95de75408144b5805e29b84e3%40%3Cuser.velocity.apache.org%3E" }, { "reference_url": "https://lists.apache.org/thread.html/r97edad0655770342d2d36620fb1de50b142fcd6c4f5c53dd72ca41d7@%3Cuser.velocity.apache.org%3E", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.apache.org/thread.html/r97edad0655770342d2d36620fb1de50b142fcd6c4f5c53dd72ca41d7@%3Cuser.velocity.apache.org%3E" }, { "reference_url": "https://lists.apache.org/thread.html/rb042f3b0090e419cc9f5a3d32cf0baff283ccd6fcb1caea61915d6b6@%3Ccommits.velocity.apache.org%3E", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.apache.org/thread.html/rb042f3b0090e419cc9f5a3d32cf0baff283ccd6fcb1caea61915d6b6@%3Ccommits.velocity.apache.org%3E" }, { "reference_url": "https://lists.apache.org/thread.html/rf9868c564cff7adfd5283563f2309b93b3e496354a211a57503b2f72@%3Cannounce.apache.org%3E", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.apache.org/thread.html/rf9868c564cff7adfd5283563f2309b93b3e496354a211a57503b2f72@%3Cannounce.apache.org%3E" }, { "reference_url": "https://lists.debian.org/debian-lts-announce/2021/03/msg00021.html", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.debian.org/debian-lts-announce/2021/03/msg00021.html" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2020-13959", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-13959" }, { "reference_url": "https://security.gentoo.org/glsa/202107-52", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://security.gentoo.org/glsa/202107-52" }, { "reference_url": "http://www.openwall.com/lists/oss-security/2021/03/10/2", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "http://www.openwall.com/lists/oss-security/2021/03/10/2" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1937445", "reference_id": "1937445", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1937445" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=985221", "reference_id": "985221", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=985221" }, { "reference_url": "https://github.com/advisories/GHSA-fh63-4r66-jc7v", "reference_id": "GHSA-fh63-4r66-jc7v", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-fh63-4r66-jc7v" }, { "reference_url": "https://usn.ubuntu.com/6282-1/", "reference_id": "USN-6282-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/6282-1/" } ], "weaknesses": [ { "cwe_id": 79, "name": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "description": "The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users." }, { "cwe_id": 1035, "name": "OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities", "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017." }, { "cwe_id": 937, "name": "OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities", "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013." } ], "exploits": [], "severity_range_score": "4.0 - 6.9", "exploitability": "0.5", "weighted_severity": "6.2", "risk_score": 3.1, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-h1wx-mfju-eker" }