CVE-2023-53929
CVE-2023-53929 is a high-severity vulnerability in Phpmyfaq with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1236.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v4: 6.2
- EPSS exploit prediction: 0% (36th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-60202
- Weakness: CWE-1236
- Affected product: Phpmyfaq
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2023-53929?
- 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.
- How severe is CVE-2023-53929?
- CVE-2023-53929 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-53929 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-53929?
- CVE-2023-53929 affects Phpmyfaq. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-53929?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2023-53929 have an EU (EUVD) identifier?
- Yes. CVE-2023-53929 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60202.
- When was CVE-2023-53929 published?
- CVE-2023-53929 was published on 2025-12-17 and last updated on 2026-06-17.
References
- https://www.exploit-db.com/exploits/51399
- https://www.phpmyfaq.de/
- https://www.vulncheck.com/advisories/phpmyfaq-csv-injection-via-user-profile-export
Affected products (1)
- cpe:2.3:a:phpmyfaq:phpmyfaq:3.1.12:*:*:*:*:*:*:*
More vulnerabilities in Phpmyfaq
- CVE-2023-5865 — Critical (CVSS 9.8): Insufficient Session Expiration in GitHub repository thorsten/phpmyfaq prior to 3.2.2.
- CVE-2023-5227 — Critical (CVSS 9.8): Unrestricted Upload of File with Dangerous Type in GitHub repository thorsten/phpmyfaq prior to 3.1.8.
- CVE-2023-4006 — Critical (CVSS 9.8): Improper Neutralization of Formula Elements in a CSV File in GitHub repository thorsten/phpmyfaq prior to 3.1.16.
- CVE-2023-2429 — Critical (CVSS 9.8): Improper Access Control in GitHub repository thorsten/phpmyfaq prior to 3.1.13.
- CVE-2023-0311 — Critical (CVSS 9.8): Improper Authentication in GitHub repository thorsten/phpmyfaq prior to 3.1.10.
- CVE-2023-0307 — Critical (CVSS 9.8): Weak Password Requirements in GitHub repository thorsten/phpmyfaq prior to 3.1.10.
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