Vulnerability · Published Oct 11, 2026 · Assigned by WPScan

CVE-2026-12980Post Snippets <= 4.2.4 - Contributor+ Stored XSS via Snippet Variable

Medium 6.8

In plain English

A medium-severity cross-site scripting in Post Snippets from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).

Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.3%top 79.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

The Post Snippets WordPress plugin through 4.2.4 does not properly escape variable values substituted into snippets before outputting them, allowing users with the Contributor role and above to inject arbitrary web scripts that execute when the content is viewed.

Affected products (as reported)

VendorProductVersions
Unknown Post Snippets 0 – through 4.2.4

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

References