XSS in Cvmh Sticky
CVE-2026-6397
The Sticky plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `cvmh-sticky` shortcode `readmoretext` attribute in versions up to and including 2.5.6. This is due to insufficient input sanitization and output escaping…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (11.1th 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
- Cvmh Sticky — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-6397?
- CVE-2026-6397 is a medium-severity vulnerability in Cvmh Sticky, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-05-20.
- How severe is CVE-2026-6397?
- Medium severity. CVSS v3 base score is 6.4 out of 10.