Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/1055195?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/1055195?format=api", "purl": "pkg:deb/debian/libphp-phpmailer@6.6.3-1", "type": "deb", "namespace": "debian", "name": "libphp-phpmailer", "version": "6.6.3-1", "qualifiers": {}, "subpath": "", "is_vulnerable": false, "next_non_vulnerable_version": null, "latest_non_vulnerable_version": null, "affected_by_vulnerabilities": [], "fixing_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/44410?format=api", "vulnerability_id": "VCID-jca1-hyks-kud3", "summary": "PHPMailer untrusted code may be run from an overridden address validator\nIf a function is defined that has the same name as the default built-in email address validation scheme (`php`), it will be called in default configuration as when no validation scheme is provided, the default scheme's callable `php` was being called. If an attacker is able to inject such a function into the application (a much bigger issue), it will be called whenever an email address is validated, such as when calling `validateAddress()`.\n\n### Impact\nLow impact – exploitation requires that an attacker can already inject code into an application, but it provides a trigger pathway.\n\n### Patches\nThis is patched in PHPMailer 6.5.0 by denying the use of simple strings as validator function names, which is a very minor BC break.\n\n### Workarounds\nInject your own email validator function.\n\n### References\nReported by [Vikrant Singh Chauhan](mailto:vi@hackberry.xyz) via [huntr.dev](https://www.huntr.dev/).\n[CVE-2021-3603](https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-3603)\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [the PHPMailer project](https://github.com/PHPMailer/PHPMailer)\n* [Email us](mailto:phpmailer@synchromedia.co.uk).", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-3603", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00778", "scoring_system": "epss", "scoring_elements": "0.73598", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.00778", "scoring_system": "epss", "scoring_elements": "0.7382", "published_at": "2026-05-15T12:55:00Z" }, { "value": "0.00778", "scoring_system": "epss", "scoring_elements": "0.73813", "published_at": "2026-05-14T12:55:00Z" }, { "value": "0.00778", "scoring_system": "epss", "scoring_elements": "0.73755", "published_at": "2026-05-12T12:55:00Z" }, { "value": "0.00778", "scoring_system": "epss", "scoring_elements": "0.73732", "published_at": "2026-05-11T12:55:00Z" }, { "value": "0.00778", "scoring_system": "epss", "scoring_elements": "0.73769", "published_at": "2026-05-09T12:55:00Z" }, { "value": "0.00778", "scoring_system": "epss", "scoring_elements": "0.73745", "published_at": "2026-05-07T12:55:00Z" }, { "value": "0.00778", "scoring_system": "epss", "scoring_elements": "0.7372", "published_at": "2026-05-05T12:55:00Z" }, { "value": "0.00778", "scoring_system": "epss", "scoring_elements": "0.73727", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.00778", "scoring_system": "epss", "scoring_elements": "0.73726", "published_at": "2026-04-26T12:55:00Z" }, { "value": "0.00778", "scoring_system": "epss", "scoring_elements": "0.73717", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.00778", "scoring_system": "epss", "scoring_elements": "0.73685", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.00778", "scoring_system": "epss", "scoring_elements": "0.73693", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00778", "scoring_system": "epss", "scoring_elements": "0.73684", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00778", "scoring_system": "epss", "scoring_elements": "0.73641", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00778", "scoring_system": "epss", "scoring_elements": "0.73649", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00778", "scoring_system": "epss", "scoring_elements": "0.73666", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00778", "scoring_system": "epss", "scoring_elements": "0.73644", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.00778", "scoring_system": "epss", "scoring_elements": "0.73631", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00778", "scoring_system": "epss", "scoring_elements": "0.73595", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00778", "scoring_system": "epss", "scoring_elements": "0.73589", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.00778", "scoring_system": "epss", "scoring_elements": "0.73622", "published_at": "2026-04-04T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-3603" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3603", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3603" }, { "reference_url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/phpmailer/phpmailer/CVE-2021-3603.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/phpmailer/phpmailer/CVE-2021-3603.yaml" }, { "reference_url": "https://github.com/PHPMailer/PHPMailer", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/PHPMailer/PHPMailer" }, { "reference_url": "https://github.com/PHPMailer/PHPMailer/commit/45f3c18dc6a2de1cb1bf49b9b249a9ee36a5f7f3", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/PHPMailer/PHPMailer/commit/45f3c18dc6a2de1cb1bf49b9b249a9ee36a5f7f3" }, { "reference_url": "https://github.com/PHPMailer/PHPMailer/releases/tag/v6.5.0", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/PHPMailer/PHPMailer/releases/tag/v6.5.0" }, { "reference_url": "https://github.com/PHPMailer/PHPMailer/security/advisories/GHSA-77mr-wc79-m8j3", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/PHPMailer/PHPMailer/security/advisories/GHSA-77mr-wc79-m8j3" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3YRMWGA4VTMXFB22KICMB7YMFZNFV3EJ", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3YRMWGA4VTMXFB22KICMB7YMFZNFV3EJ" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3YRMWGA4VTMXFB22KICMB7YMFZNFV3EJ/", "reference_id": "", "reference_type": "", "scores": [], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3YRMWGA4VTMXFB22KICMB7YMFZNFV3EJ/" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FJYSOFCUBS67J3TKR74SD3C454N7VTYM", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FJYSOFCUBS67J3TKR74SD3C454N7VTYM" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FJYSOFCUBS67J3TKR74SD3C454N7VTYM/", "reference_id": "", "reference_type": "", "scores": [], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FJYSOFCUBS67J3TKR74SD3C454N7VTYM/" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3603", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3603" }, { "reference_url": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-3603", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-3603" }, { "reference_url": "https://www.huntr.dev/bounties/1-PHPMailer/PHPMailer", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.1", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.huntr.dev/bounties/1-PHPMailer/PHPMailer" }, { "reference_url": "https://www.huntr.dev/bounties/1-PHPMailer/PHPMailer/", "reference_id": "", "reference_type": "", "scores": [], "url": "https://www.huntr.dev/bounties/1-PHPMailer/PHPMailer/" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=991666", "reference_id": "991666", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=991666" }, { "reference_url": "https://github.com/advisories/GHSA-77mr-wc79-m8j3", "reference_id": "GHSA-77mr-wc79-m8j3", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-77mr-wc79-m8j3" }, { "reference_url": "https://usn.ubuntu.com/5956-1/", "reference_id": "USN-5956-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/5956-1/" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/1055195?format=api", "purl": "pkg:deb/debian/libphp-phpmailer@6.6.3-1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libphp-phpmailer@6.6.3-1" } ], "aliases": [ "CVE-2021-3603", "GHSA-77mr-wc79-m8j3" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-jca1-hyks-kud3" } ], "risk_score": null, "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/libphp-phpmailer@6.6.3-1" }