Cross-site Scripting (XSS) - Stored in thorsten/phpmyfaq

published 2023-05-05 3 y ago modified 2026-06-17 4 mo ago also GHSA-5mf7-p346-7rm8 , EUVD-2023-1476

cvss: 8.2; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits: 0; none known

Cross-site Scripting (XSS) - Stored in GitHub repository thorsten/phpmyfaq prior to 3.1.13.

Patch / fix

fixed in 2 links 1

packagist thorsten/phpmyfaq 3.1.13
thorsten thorsten/phpmyfaq 3.1.13

github.com/thorsten/phpmyfaq@20ac515 commit

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: partial
Assessed: 21 mo ago (2025-01-29)

Exploit prediction

0.46% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

huntr.dev https://huntr.dev/bounties/840c8d91-c97e-4116-a9f8-4ab1a38d239b referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.0	8.2	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
NVD	3.1	4.8	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
GitHub	3.0	8.2	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

Affected packages

ecosystem	package	affected	fixed in
packagist	thorsten/phpmyfaq	<3.1.13	3.1.13

Affected products

thorsten thorsten/phpmyfaq

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /thorsten/phpmyfaq/commit/20ac51594db11604a4518aacc28a51f67d4f11bf
web, patch
huntr.dev /bounties/840c8d91-c97e-4116-a9f8-4ab1a38d239b
web, exploit, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2023-2550
advisory
github.com /thorsten/phpmyfaq
package

Sources

CVE List CVE-2023-2550
GitHub Advisory GHSA-5mf7-p346-7rm8
NVD CVE-2023-2550

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary