CVE-2026-12980CWE-79cross-site-scripting

CVE-2026-12980

Medium · published October 11, 2026

CVSS v3.1
6.8
EPSS
0%
Percentile
20.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00290 · 20.5th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-10-11T11:17Z
References (1)
https://wpscan.com/vulnerability/288d419a-9e27-45ae-bde1-1aef52532354/ · [email protected]
EPSS history
Timeline
  • 12 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 11 OCT 06:00Z
    Post Snippets <= 4.2.4 - Contributor+ Stored XSS via Snippet Variable
    cvelistv5
  • 11 OCT 06:00Z
    Post Snippets <= 4.2.4 - Contributor+ Stored XSS via Snippet Variable
    cvelistv5