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CVE-2026-117539 - darylldoyle svg-sanitizer before 1.0.0 contains CSS injection and remote reference bypass vulnerabilities that allow att

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.
LOW
Severity & confidence
Source severitylow
Platform severitylow
Confidencehigh
Exploitationunknown
CVSS3.5
Affected
Reporting sources (1)
NIST NVD - National Vulnerability Database
Open source โ†—
Timeline & provenance
Published2026-10-27T11:17:34
Last updated2026-10-30T04:25:48
Ingested2026-10-29T21:24:08
FreshnessNEAR-REAL-TIME
Threat typevulnerability
Recommended action
No recommended action published with this item - review the original source.
Next steps
  1. Identify affected systems in your environment.
  2. Apply the vendor patch or mitigation guidance.
  3. Review logs for indicators described in the advisory.
  4. Follow the affected vendor/product to track updates.
Confidence explanation
Reported by a government or cert-grade source (CISA, NCSC, NVD, ENISA, MSRC).
Source type: standards ยท Original: NIST NVD - National Vulnerability Database