CVE-2025-59943 phpMyFAQ duplicate email registration allows multiple accounts with the same email
Attackers can create multiple accounts with the same email, potentially leading to account takeover or privilege escalation due to ambiguous identity handling.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2025-59943?
CVE-2025-59943 is a high-severity vulnerability in Phpmyfaq Phpmyfaq, published on 3 Oct 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
phpMyFAQ is an open source FAQ web application. Versions 4.0-nightly-2025-10-03 and below do not enforce uniqueness of email addresses during user registration. This allows multiple distinct accounts to be created with the same email. Because email is often used as an identifier for password resets, notifications, and administrative actions, this flaw can cause account ambiguity and, in certain configurations, may lead to privilege escalation or account takeover. This issue is fixed in version 4.0.13.
Which versions are affected by CVE-2025-59943?
2 open source packages ship an affected version, including thorsten/phpmyfaq. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
thorsten/phpmyfaq Packagist | From 4.0.7 | 4.0.13 |
thorsten/phpmyfaq Packagist | From 4.0.7 | 4.0.13 |
Products include Phpmyfaq Phpmyfaq.
How do I fix CVE-2025-59943?
Upgrade thorsten/phpmyfaq to 4.0.13 or later.
Is CVE-2025-59943 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-59943 exists.
Other vulnerabilities in Phpmyfaq Phpmyfaq
- CVE-2023-0310 Cross-site Scripting (XSS) - Stored in thorsten/phpmyfaq
- CVE-2022-4407 Cross-site Scripting (XSS) - Reflected in thorsten/phpmyfaq
- CVE-2017-11187 Security feature bypass in n/a
- CVE-2026-76213 phpMyFAQ before 4.1.7 2FA Brute-Force via Session-Scoped Throttle
- CVE-2026-76214 phpMyFAQ before 4.1.7 WebAuthn Replay Attack via Challenge
Sources
Also known as GHSA-9wj2-4hcm-r74j.