CVE-2020-5502 phpBB allows CSRF
Attackers can trick users into approving pending group memberships, potentially granting unauthorized access to restricted groups.
- 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-2020-5502?
CVE-2020-5502 is a medium-severity vulnerability in n/a, published on 14 Jan 2020. 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
phpBB 3.2.8 allows a CSRF attack that can approve pending group memberships.
Weakness: CWE-352
Which versions are affected by CVE-2020-5502?
3 open source packages ship an affected version, including phpbb/phpbb and phpbb. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
phpbb/phpbb Packagist | All versions | 3.2.9 |
phpbb/phpbb Packagist | All versions | 3.2.9 |
phpbb Bitnami | From 3.2.8 to 3.2.8 | None |
Products include Phpbb Phpbb.
How do I fix CVE-2020-5502?
Upgrade phpbb/phpbb to 3.2.9 or later.
Is CVE-2020-5502 being exploited?
There is no known exploitation of CVE-2020-5502 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2008-3224 Other in n/a
- CVE-2008-1766 Multiple unspecified vulnerabilities in phpBB before 3.0.1 have unknown impact and attack vectors, related to "two minor security-related bu
- CVE-2025-70810 Cross-site request forgery in n/a
- CVE-2001-1471 Code injection in n/a
- CVE-2026-29199 phpBB has Password Reset Link Poisoning via Host Header injection
Sources
Also known as BIT-phpbb-2020-5502, GHSA-69q7-hww4-8pjq.