phpMyFAQ up to 4.1.4 API endpoint /admin/api/user/add user_add isSuperAdmin permission

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.5$0-$5k0.67+

Summaryinfo

A vulnerability labeled as problematic has been found in phpMyFAQ up to 4.1.4. Affected by this vulnerability is the function user_add of the file /admin/api/user/add of the component API endpoint. Such manipulation of the argument isSuperAdmin leads to permission. This vulnerability is traded as CVE-2026-57996. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in phpMyFAQ up to 4.1.4. It has been rated as problematic. Affected by this issue is the function user_add of the file /admin/api/user/add of the component API endpoint. The manipulation of the argument isSuperAdmin with an unknown input leads to a permission vulnerability. Using CWE to declare the problem leads to CWE-275. Impacted is confidentiality, integrity, and availability. CVE summarizes:

phpMyFAQ before 4.1.5 contains a privilege escalation vulnerability in the user/add API endpoint that allows non-SuperAdmin administrators to create SuperAdmin accounts. A delegated administrator with USER_ADD/EDIT/DELETE permissions can call POST /admin/api/user/add with isSuperAdmin: true and attacker-chosen credentials to create a SuperAdmin account, then authenticate as that account to achieve full instance takeover.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-57996 since 06/26/2026. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are needed for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1222 by the MITRE ATT&CK project.

Upgrading to version 4.1.5 eliminates this vulnerability.

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Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.5

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Permission
CWE: CWE-275 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Upgrade: phpMyFAQ 4.1.5

Timelineinfo

06/26/2026 CVE reserved
07/15/2026 +19 days Advisory disclosed
07/15/2026 +0 days VulDB entry created
07/15/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-57996 (🔒)
GCVE (CVE): GCVE-0-2026-57996
GCVE (VulDB): GCVE-100-379214

Entryinfo

Created: 07/15/2026 14:10
Changes: 07/15/2026 14:10 (56)
Complete: 🔍
Cache ID: 216::103

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