XSS in Extendthemes Colibri Page Builder
CVE-2025-11747
The Colibri Page Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the colibri_blog_posts shortcode in all versions up to, and including, 1.0.345 due to insufficient input sanitization and output escaping on use…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (9.5th 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
- Extendthemes Colibri Page Builder — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-11747?
- CVE-2025-11747 is a medium-severity vulnerability in Extendthemes Colibri Page Builder, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2025-12-19.
- How severe is CVE-2025-11747?
- Medium severity. CVSS v3 base score is 6.4 out of 10.