XSS in Mattkrick Sanitize-Svg
CVE-2023-22461
The `sanitize-svg` package, a small SVG sanitizer to prevent cross-site scripting attacks, uses a deny-list-pattern to sanitize SVGs to prevent XSS. In doing so, literal `<script>`-tags and on-event handlers were detected in versions prior to 0.4.0. As a result, downstream software that relies on `sanitize-svg` and expects resulting SVGs to be safe, may be vulnerable to cross-site scripting. This vulnerability was addressed in v0.4.0. There are no known workarounds
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.006 (43.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N.
Affected products
- Mattkrick Sanitize-svg — versions < 0.4
- Sanitize-svg_project Sanitize-svg
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2023-22461?
- CVE-2023-22461 is a high-severity vulnerability in Mattkrick Sanitize-Svg, classified under Cross-site Scripting. CVSS score: 7.6/10. Published 2023-01-04.
- How severe is CVE-2023-22461?
- High severity. CVSS v3 base score is 7.6 out of 10.