Vulnerability details

CVE-2026-89302

Post Voting System

Post Voting System <= 1.0 - Unauthenticated SQLi via 'id' Parameter

CVSS 3.1

8.6High

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.

CVSS scores

Score	Version	Source	Vector
8.6High	3.1	CISA ADP / Vulnrichment (CISA-ADP)	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N`

Affected products

Vendor	Product	Versions	Source
—	Post Voting System	v ≤ 1.0	CVEProject cvelistV5 (CNA)

References and advisories

https://wpscan.com/vulnerability/27dda3f8-1221-4710-bced-229577d20977/ exploitvdb-entrytechnical-description

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Details

Published: 2026-10-11
Last updated: 2026-10-11
State: Published
Assigner (CNA): WPScan

Exploit prediction (EPSS)

0.26%

Probability of exploitation in 30 days

18.1%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: None
Technical impact: Partial

Weaknesses (CWE)

CWE-89
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')