CVE-2026-73998 WordPress WP w3all phpBB plugin <= 3.0.5 - SQL Injection vulnerability
A SQL injection vulnerability in the WP w3all phpBB plugin allows subscribers to read or modify database contents.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-73998?
CVE-2026-73998 is a high-severity SQL injection vulnerability in axew3 WP w3all phpBB, published on 20 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Subscriber SQL Injection in WP w3all phpBB <= 3.0.5 versions.
Weakness: CWE-89
Which versions are affected by CVE-2026-73998?
How do I fix CVE-2026-73998?
No fix has been published for CVE-2026-73998 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-2026-73998 being exploited?
There is no known exploitation of CVE-2026-73998 in the wild and no public exploit code.
Sources
Also known as GHSA-rxwj-6jrc-7pm8.