CVE-2026-117539
darylldoyle svg-sanitizer before 1.0.0 CSS Injection and Remote Reference Bypass
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.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| svg-sanitizer darylldoyle |
≥ 0; < 1.0.0 (affected, semver) 1.0.0 (unaffected, semver) Other versions: unaffected |
CNA: VulnCheck |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 5.1 medium |
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N | CNA: VulnCheck |
| 3.1 / 3.5 low |
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N | CNA: VulnCheck |
Exploit evidence
- https://github.com/darylldoyle/svg-sanitizer/security/advisories/GHSA-qhmf-972w-m957
exploit · ADP: CISA-ADP
References
- https://github.com/darylldoyle/svg-sanitizer/security/advisories/GHSA-qhmf-972w-m957CNA: VulnCheck · vendor-advisory
- https://www.vulncheck.com/advisories/darylldoyle-svg-sanitizer-before-1.0.0-css-injection-and-remote-reference-bypassCNA: VulnCheck · third-party-advisory
- https://github.com/darylldoyle/svg-sanitizer/security/advisories/GHSA-qhmf-972w-m957ADP: CISA-ADP · exploit
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