CVE-2023-53929

HIGH

phpMyFAQ 3.1.12 - Authenticated CSV Injection via User Profile Export

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-53929. PoCs published by Mirabbas Ağalarov.

AI-analyzed exploit summary This exploit demonstrates a CSV injection vulnerability in phpMyFAQ v3.1.12. By manipulating a user's name field to include a malicious payload (e.g., =calc|a!z|), an attacker can trigger arbitrary command execution when an admin exports user data to CSV and opens it in a vulnerable spreadsheet application.

Description

phpMyFAQ 3.1.12 contains a CSV injection vulnerability that allows authenticated users to inject malicious formulas into their profile names. Attackers can modify their user profile name with a payload like 'calc|a!z|' to trigger code execution when an administrator exports user data as a CSV file.

Exploits (1)

exploitdb WORKING POC
by Mirabbas Ağalarov · textwebappsphp
https://www.exploit-db.com/exploits/51399

This exploit demonstrates a CSV injection vulnerability in phpMyFAQ v3.1.12. By manipulating a user's name field to include a malicious payload (e.g., =calc|a!z|), an attacker can trigger arbitrary command execution when an admin exports user data to CSV and opens it in a vulnerable spreadsheet application.

Classification
Working Poc 90%
Attack Type
Other
Complexity
Trivial
Reliability
Reliable
Target: phpMyFAQ v3.1.12
Auth required
Prerequisites: User account with permission to modify profile name · Admin action to export user data as CSV
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory exploit
https://www.exploit-db.com/exploits/51399
Product product
https://www.phpmyfaq.de/

Scores

CVSS v3 8.8
EPSS 0.0007
EPSS Percentile 22.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-1236
Status published
Products (4)
phpmyfaq/phpmyfaq 3.1.12
phpmyfaq/phpmyfaq 0Packagist
Phpmyfaq/phpMyFAQ 3.1.12
thorsten/phpmyfaq 0Packagist
Published Dec 17, 2025
Tracked Since Feb 18, 2026