XSS in Apostrophecms Sanitize-html
CVE-2026-44990
ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Under the default configuration, versions of `sanitize-html` prior to 2.17.4 can turn attacker-controll…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.005 (40.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N.
Affected products
- Apostrophecms Sanitize-html — versions < 2.17.4
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Frequently asked questions
- What is CVE-2026-44990?
- CVE-2026-44990 is a critical-severity vulnerability in Apostrophecms Sanitize-html, classified under Cross-site Scripting. CVSS score: 9.3/10. Published 2026-06-12.
- How severe is CVE-2026-44990?
- Critical severity. CVSS v3 base score is 9.3 out of 10.