CVE-2025-8877 AffiliateWP <= 2.28.2 - Unauthenticated SQL Injection
Unauthenticated attackers can exploit SQL injection in AffiliateWP to extract sensitive database information.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-8877?
CVE-2025-8877 is a high-severity SQL injection vulnerability in AffiliateWP, published on 30 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The AffiliateWP plugin for WordPress is vulnerable to SQL Injection via the ajax_get_affiliate_id_from_login function in all versions up to, and including, 2.28.2 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
Weakness: CWE-89
Which versions are affected by CVE-2025-8877?
How do I fix CVE-2025-8877?
No fix has been published for CVE-2025-8877 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2025-8877 being exploited?
There is no known exploitation of CVE-2025-8877 in the wild and no public exploit code.
Sources
Also known as GHSA-mjmg-pjmq-g329.