CVE-2026-89302 Post Voting System <= 1.0 - Unauthenticated SQLi via 'id' Parameter
Unauthenticated attackers can execute SQL injection attacks via the 'id' parameter in the Post Voting System WordPress plugin.
- 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-2026-89302?
CVE-2026-89302 is a high-severity SQL injection vulnerability in Unknown Post Voting System, published on 11 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Post Voting System WordPress plugin through 1.0 does not properly sanitize and escape a parameter before using it in a SQL query, allowing unauthenticated users to perform SQL injection attacks.
Weakness: CWE-89
Which versions are affected by CVE-2026-89302?
How do I fix CVE-2026-89302?
No fix has been published for CVE-2026-89302 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-2026-89302 being exploited?
There is no known exploitation of CVE-2026-89302 in the wild and no public exploit code.
Sources
Also known as GHSA-xwx7-jj6g-vhp6.