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CVE-2026-46367

29
FAUCET Score

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.

First published: May 15, 2026Last modified: May 28, 2026

Impacted Technologies

VendorProductVersion(s)CPE
ThorstenPhpmyfaq
>= 4.1.1, < 4.1.2CNA affecteddefault unaffected

CVSS Data

CVSS version used by this source: 4.0

8.3HIGH

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
PASSIVE
VS Confidentiality
HIGH
VS Integrity
LOW
VS Availability
NONE
SS Confidentiality
HIGH
SS Integrity
LOW
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.21%
Probability of exploitation in next 30 days
EPSS Percentile
12.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0022 is in the 8th percentile among its peer group of 890 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: thorsten/phpmyfaqFixed in: 4.1.2
composerpatch availablevia ghsa
Product: phpmyfaq/phpmyfaqFixed in: 4.1.2

Vendor Advisories (1)

composerGHSA-9525-27vj-c8r8high

phpMyFAQ has stored XSS via Utils::parseUrl() in comment rendering

May 6, 2026

References

github.com / thorsten/phpMyFAQ/security/advisories/GHSA-9525-27vj-c8r8
vulncheck.com / advisories/phpmyfaq-stored-xss-via-utils-parseurl-in-comment-rendering