CVE-2026-117539 darylldoyle svg-sanitizer before 1.0.0 CSS Injection and Remote Reference Bypass
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-117539?
CVE-2026-117539 is a medium-severity vulnerability in darylldoyle svg-sanitizer, published on 27 Oct 2026.
Official description
darylldoyle svg-sanitizer before 1.0.0 contains CSS injection and remote reference bypass vulnerabilities that allow attackers to embed external resources by uploading crafted SVG files. Attackers can use unsanitized style content, unquoted url() values, or image href attributes to exfiltrate page data, track users, or disclose visitor IP addresses.
Weakness: CWE-79
Which versions are affected by CVE-2026-117539?
How do I fix CVE-2026-117539?
No fix has been published for CVE-2026-117539 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-117539 being exploited?
There is no known exploitation of CVE-2026-117539 in the wild and no public exploit code.
Sources
Also known as GHSA-crrh-v25v-h623, GHSA-qhmf-972w-m957.