XSS in Cuamckuy Easy Prism Syntax Highlighter

CVE-2026-8875

The Easy Prism Syntax Highlighter plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'code' (and 'c') shortcode in versions up to, and including, 1.0.2. This is due to insufficient input sanitization and out…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (9.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-8875?
CVE-2026-8875 is a medium-severity vulnerability in Cuamckuy Easy Prism Syntax Highlighter, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-05-27.
How severe is CVE-2026-8875?
Medium severity. CVSS v3 base score is 6.4 out of 10.