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Vulnerability Instance

Lookup for vulnerabilities affecting packages.

Vulnerability_idVCID-ez1w-qcsf-zbgp
SummaryCGI::Simple versions before 1.282 for Perl has a HTTP response splitting flaw This vulnerability is a confirmed HTTP response splitting flaw in CGI::Simple that allows HTTP response header injection, which can be used for reflected XSS or open redirect under certain conditions. Although some validation exists, it can be bypassed using URL-encoded values, allowing an attacker to inject untrusted content into the response via query parameters. As a result, an attacker can inject a line break (e.g. %0A) into the parameter value, causing the server to split the HTTP response and inject arbitrary headers or even an HTML/JavaScript body, leading to reflected cross-site scripting (XSS), open redirect or other attacks. The issue documented in CVE-2010-4410 https://www.cve.org/CVERecord?id=CVE-2010-4410 is related but the fix was incomplete. Impact By injecting %0A (newline) into a query string parameter, an attacker can: * Break the current HTTP header * Inject a new header or entire body * Deliver a script payload that is reflected in the server’s response That can lead to the following attacks: * reflected XSS * open redirect * cache poisoning * header manipulation
Aliases
0
alias CVE-2025-40927
Fixed_packages
0
url pkg:deb/debian/libcgi-simple-perl@1.280-2%2Bdeb12u1?distro=trixie
purl pkg:deb/debian/libcgi-simple-perl@1.280-2%2Bdeb12u1?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/libcgi-simple-perl@1.280-2%252Bdeb12u1%3Fdistro=trixie
1
url pkg:deb/debian/libcgi-simple-perl@1.280-2%2Bdeb12u1
purl pkg:deb/debian/libcgi-simple-perl@1.280-2%2Bdeb12u1
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/libcgi-simple-perl@1.280-2%252Bdeb12u1
2
url pkg:deb/debian/libcgi-simple-perl@1.282-1~deb13u1?distro=trixie
purl pkg:deb/debian/libcgi-simple-perl@1.282-1~deb13u1?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/libcgi-simple-perl@1.282-1~deb13u1%3Fdistro=trixie
3
url pkg:deb/debian/libcgi-simple-perl@1.282-1?distro=trixie
purl pkg:deb/debian/libcgi-simple-perl@1.282-1?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/libcgi-simple-perl@1.282-1%3Fdistro=trixie
Affected_packages
0
url pkg:deb/debian/libcgi-simple-perl@1.115-2?distro=trixie
purl pkg:deb/debian/libcgi-simple-perl@1.115-2?distro=trixie
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-ez1w-qcsf-zbgp
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/libcgi-simple-perl@1.115-2%3Fdistro=trixie
1
url pkg:deb/debian/libcgi-simple-perl@1.115-2
purl pkg:deb/debian/libcgi-simple-perl@1.115-2
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-ez1w-qcsf-zbgp
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/libcgi-simple-perl@1.115-2
References
0
reference_url https://api.first.org/data/v1/epss?cve=CVE-2025-40927
reference_id
reference_type
scores
0
value 0.00124
scoring_system epss
scoring_elements 0.31708
published_at 2026-04-04T12:55:00Z
1
value 0.00124
scoring_system epss
scoring_elements 0.31513
published_at 2026-04-21T12:55:00Z
2
value 0.00124
scoring_system epss
scoring_elements 0.31545
published_at 2026-04-18T12:55:00Z
3
value 0.00124
scoring_system epss
scoring_elements 0.31568
published_at 2026-04-16T12:55:00Z
4
value 0.00124
scoring_system epss
scoring_elements 0.31534
published_at 2026-04-13T12:55:00Z
5
value 0.00124
scoring_system epss
scoring_elements 0.31571
published_at 2026-04-12T12:55:00Z
6
value 0.00124
scoring_system epss
scoring_elements 0.31613
published_at 2026-04-11T12:55:00Z
7
value 0.00124
scoring_system epss
scoring_elements 0.31609
published_at 2026-04-09T12:55:00Z
8
value 0.00124
scoring_system epss
scoring_elements 0.31579
published_at 2026-04-08T12:55:00Z
9
value 0.00124
scoring_system epss
scoring_elements 0.31527
published_at 2026-04-07T12:55:00Z
10
value 0.00129
scoring_system epss
scoring_elements 0.32524
published_at 2026-04-02T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2025-40927
1
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-40927
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-40927
2
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-2320
reference_id cvename.cgi?name=CVE-2004-2320
reference_type
scores
0
value 7.3
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-08-29T13:18:01Z/
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-2320
3
reference_url https://rt.perl.org/Public/Bug/Display.html?id=21951
reference_id Display.html?id=21951
reference_type
scores
0
value 7.3
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-08-29T13:18:01Z/
url https://rt.perl.org/Public/Bug/Display.html?id=21951
4
reference_url https://metacpan.org/release/MANWAR/CGI-Simple-1.281/diff/MANWAR/CGI-Simple-1.282/lib/CGI/Simple.pm
reference_id Simple.pm
reference_type
scores
0
value 7.3
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-08-29T13:18:01Z/
url https://metacpan.org/release/MANWAR/CGI-Simple-1.281/diff/MANWAR/CGI-Simple-1.282/lib/CGI/Simple.pm
5
reference_url https://metacpan.org/release/MANWAR/CGI-Simple-1.281/source/lib/CGI/Simple.pm#L1031-1035
reference_id Simple.pm#L1031-1035
reference_type
scores
0
value 7.3
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-08-29T13:18:01Z/
url https://metacpan.org/release/MANWAR/CGI-Simple-1.281/source/lib/CGI/Simple.pm#L1031-1035
Weaknesses
0
cwe_id 113
name Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')
description The product receives data from an HTTP agent/component (e.g., web server, proxy, browser, etc.), but it does not neutralize or incorrectly neutralizes CR and LF characters before the data is included in outgoing HTTP headers.
Exploits
Severity_range_score7.3 - 7.3
Exploitability0.5
Weighted_severity6.6
Risk_score3.3
Resource_urlhttp://public2.vulnerablecode.io/vulnerabilities/VCID-ez1w-qcsf-zbgp