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Fencer Intel
high 8.8

CVE-2026-35671 json

phpMyFAQ - Insecure Direct Object Reference in User Password API

published 5mo ago modified yesterday also EUVD-2026-32902 , GHSA-xvp4-phqj-cjr3

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits
0
none known

Summary

phpMyFAQ before 4.1.3 contains an insecure direct object reference vulnerability in the admin API user password endpoint that allows authenticated administrators to change any user's password without authorization verification. An attacker with low-privilege admin credentials can escalate to SuperAdmin by modifying the userId parameter in the overwrite-password API request.

Patch / fix

  • packagist thorsten/phpmyfaq 4.1.3
  • packagist phpmyfaq/phpmyfaq 4.1.3
  • thorsten phpMyFAQ 4.1.3

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
5mo ago

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-xvp4-phqj-cjr3 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 4.0 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
GitHub 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 4.0 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/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

Affected packages

ecosystem package affected fixed in
packagist thorsten/phpmyfaq
<4.1.3
4.1.3
packagist phpmyfaq/phpmyfaq
<4.1.3
4.1.3

Affected products

  • thorsten phpMyFAQ

Classification

Weakness
  • CWE-266 Incorrect Privilege Assignment
  • CWE-269 Improper Privilege Management
  • CWE-639 Authorization Bypass Through User-Controlled Key
  • CWE-862 Missing Authorization

References

Sources

Fencer Intel 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.