What is CVE-2026-12980?

CVE-2026-12980 is a medium-severity vulnerability in Post Snippets, classified under Cross-site Scripting. CVSS score: 6.8/10. Published 2026-10-11.

How severe is CVE-2026-12980?

Medium severity. CVSS v3 base score is 6.8 out of 10.

XSS in Post Snippets

CVE-2026-12980

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-10-11 · last modified 2026-10-11.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Post Snippets

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

wpscan.com/vulnerability/288d419a-9e27-45ae-bde1-1aef52532354/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-12980?: CVE-2026-12980 is a medium-severity vulnerability in Post Snippets, classified under Cross-site Scripting. CVSS score: 6.8/10. Published 2026-10-11.
How severe is CVE-2026-12980?: Medium severity. CVSS v3 base score is 6.8 out of 10.