High severity · published May 28, 2026
CVE-2026-35671
phpMyFAQ - Insecure Direct Object Reference in User Password API
8.8
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
phpMyFAQ · thorsten
before 4.1.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-35671
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-35671
github.com
https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-xvp4-phqj-cjr3
www.vulncheck.com
https://www.vulncheck.com/advisories/phpmyfaq-insecure-direct-object-reference-in-user-password-api
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