CVE-2026-89303CWE-89sql-injection

CVE-2026-89303

Medium · published September 28, 2026

CVSS v3.1
6.4
EPSS
0%
Percentile
3.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00148 · 3.7th percentile
Weakness
CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Published
2026-09-28T11:17Z
References (1)
EPSS history
Timeline
  • 29 SEP 03:28Z
    EPSS moved — → 0%
    epss
  • 28 SEP 06:00Z
    Post Voting System <= 1.0 - Subscriber+ SQLi via 'row' Parameter
    cvelistv5