What is GHSA-m89f-xjqg-7r4m?

GHSA-m89f-xjqg-7r4m is a security advisory published by GitHub Security Advisories with Medium severity. The Post Voting System WordPress plugin through 1.0 does not properly sanitize and escape a...

Which CVE IDs does GHSA-m89f-xjqg-7r4m cover?

GHSA-m89f-xjqg-7r4m covers the following CVE IDs: CVE-2026-89303. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-m89f-xjqg-7r4m?

GHSA-m89f-xjqg-7r4m has a CVSS v3 base score of 6.4, published by GitHub Security Advisories.

GHSA-m89f-xjqg-7r4mMediumCVSS 6.4

The Post Voting System WordPress plugin through 1.0 does not properly sanitize and escape a...

Vendor

GitHub Security Advisories

Published

September 28, 2026

Last Modified

September 28, 2026

🔗 CVE IDs covered (1)

CVE-2026-89303 →

📋 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 any authenticated user to perform SQL injection attacks.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-89303
https://wpscan.com/vulnerability/dbe62e96-6493-4385-92a2-6281c5428a9f
https://github.com/advisories/GHSA-m89f-xjqg-7r4m