Staging Environment: Content and features may be unstable or change without notice.
Search for vulnerabilities
Vulnerability details: VCID-vjqh-59nn-5ude
Vulnerability ID VCID-vjqh-59nn-5ude
Aliases CVE-2026-46363
GHSA-f5p7-2c9q-8896
Summary phpMyFAQ before 4.1.2 contains a stored cross-site scripting vulnerability in FAQ creation and update endpoints that bypass sanitization through encode-decode cycles. The vulnerability allows authenticated attackers with FAQ_ADD permission to inject malicious script tags via question or answer parameters, which execute in every visitor's browser when FAQ content is rendered with the raw Twig filter.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
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 0.00029 https://api.first.org/data/v1/epss?cve=CVE-2026-46363
epss 0.00029 https://api.first.org/data/v1/epss?cve=CVE-2026-46363
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-f5p7-2c9q-8896
cvssv3.1 5.4 https://github.com/thorsten/phpMyFAQ
generic_textual MODERATE https://github.com/thorsten/phpMyFAQ
cvssv3.1 5.4 https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-f5p7-2c9q-8896
cvssv3.1_qr MODERATE https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-f5p7-2c9q-8896
cvssv4 5.1 https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-f5p7-2c9q-8896
generic_textual MODERATE https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-f5p7-2c9q-8896
ssvc Track https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-f5p7-2c9q-8896
cvssv3.1 5.4 https://nvd.nist.gov/vuln/detail/CVE-2026-46363
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2026-46363
cvssv3.1 5.4 https://www.vulncheck.com/advisories/phpmyfaq-stored-xss-in-faq-question-answer-via-encode-decode-bypass
cvssv4 5.1 https://www.vulncheck.com/advisories/phpmyfaq-stored-xss-in-faq-question-answer-via-encode-decode-bypass
generic_textual MODERATE https://www.vulncheck.com/advisories/phpmyfaq-stored-xss-in-faq-question-answer-via-encode-decode-bypass
ssvc Track https://www.vulncheck.com/advisories/phpmyfaq-stored-xss-in-faq-question-answer-via-encode-decode-bypass
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-46363
https://github.com/thorsten/phpMyFAQ
https://nvd.nist.gov/vuln/detail/CVE-2026-46363
GHSA-f5p7-2c9q-8896 https://github.com/advisories/GHSA-f5p7-2c9q-8896
GHSA-f5p7-2c9q-8896 https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-f5p7-2c9q-8896
phpmyfaq-stored-xss-in-faq-question-answer-via-encode-decode-bypass https://www.vulncheck.com/advisories/phpmyfaq-stored-xss-in-faq-question-answer-via-encode-decode-bypass
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/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:L/I:L/A:N Found at https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-f5p7-2c9q-8896
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:L/VI:L/VA:N/SC:L/SI:L/SA:N Found at https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-f5p7-2c9q-8896
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/2026-05-15T20:01:20Z/ Found at https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-f5p7-2c9q-8896
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2026-46363
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:L/I:L/A:N Found at https://www.vulncheck.com/advisories/phpmyfaq-stored-xss-in-faq-question-answer-via-encode-decode-bypass
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:L/VI:L/VA:N/SC:L/SI:L/SA:N Found at https://www.vulncheck.com/advisories/phpmyfaq-stored-xss-in-faq-question-answer-via-encode-decode-bypass
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/2026-05-15T20:01:20Z/ Found at https://www.vulncheck.com/advisories/phpmyfaq-stored-xss-in-faq-question-answer-via-encode-decode-bypass
Exploit Prediction Scoring System (EPSS)
Percentile 0.08901
EPSS Score 0.00029
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T16:42:50.502299+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2026/46xxx/CVE-2026-46363.json 38.6.0