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Vulnerability details: VCID-426v-vz22-nqem
Vulnerability ID VCID-426v-vz22-nqem
Aliases CVE-2026-46367
GHSA-9525-27vj-c8r8
Summary phpMyFAQ before 4.1.2 contains a stored cross-site scripting vulnerability in Utils::parseUrl() that allows authenticated users to inject JavaScript via malformed URLs in comments. Attackers can craft URLs with unescaped quotes to inject event handlers, stealing admin session cookies and achieving full application takeover when visitors view affected FAQ pages.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-116 Improper Encoding or Escaping of Output
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00012 https://api.first.org/data/v1/epss?cve=CVE-2026-46367
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-9525-27vj-c8r8
cvssv3.1 7.6 https://github.com/thorsten/phpMyFAQ
generic_textual HIGH https://github.com/thorsten/phpMyFAQ
cvssv3.1 7.6 https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-9525-27vj-c8r8
cvssv3.1_qr HIGH https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-9525-27vj-c8r8
cvssv4 8.3 https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-9525-27vj-c8r8
generic_textual HIGH https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-9525-27vj-c8r8
ssvc Track https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-9525-27vj-c8r8
cvssv3.1 7.6 https://nvd.nist.gov/vuln/detail/CVE-2026-46367
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2026-46367
cvssv3.1 7.6 https://www.vulncheck.com/advisories/phpmyfaq-stored-xss-via-utils-parseurl-in-comment-rendering
cvssv4 8.3 https://www.vulncheck.com/advisories/phpmyfaq-stored-xss-via-utils-parseurl-in-comment-rendering
generic_textual HIGH https://www.vulncheck.com/advisories/phpmyfaq-stored-xss-via-utils-parseurl-in-comment-rendering
ssvc Track https://www.vulncheck.com/advisories/phpmyfaq-stored-xss-via-utils-parseurl-in-comment-rendering
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-46367
https://github.com/thorsten/phpMyFAQ
https://nvd.nist.gov/vuln/detail/CVE-2026-46367
GHSA-9525-27vj-c8r8 https://github.com/advisories/GHSA-9525-27vj-c8r8
GHSA-9525-27vj-c8r8 https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-9525-27vj-c8r8
phpmyfaq-stored-xss-via-utils-parseurl-in-comment-rendering https://www.vulncheck.com/advisories/phpmyfaq-stored-xss-via-utils-parseurl-in-comment-rendering
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N Found at https://github.com/thorsten/phpMyFAQ
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N Found at https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-9525-27vj-c8r8
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N Found at https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-9525-27vj-c8r8
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-05-16T01:18:54Z/ Found at https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-9525-27vj-c8r8
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2026-46367
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N Found at https://www.vulncheck.com/advisories/phpmyfaq-stored-xss-via-utils-parseurl-in-comment-rendering
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N Found at https://www.vulncheck.com/advisories/phpmyfaq-stored-xss-via-utils-parseurl-in-comment-rendering
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-05-16T01:18:54Z/ Found at https://www.vulncheck.com/advisories/phpmyfaq-stored-xss-via-utils-parseurl-in-comment-rendering
Exploit Prediction Scoring System (EPSS)
Percentile 0.01825
EPSS Score 0.00012
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T16:42:51.100501+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2026/46xxx/CVE-2026-46367.json 38.6.0