Vulnerability Intelligence Report
darylldoyle svg-sanitizer before 1.0.0 CSS Injection and Remote Reference Bypass
CVE-2026-117539
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.
Cross-Site Scripting (XSS)
No Active Exploit Signals
CVSS Base Score
5.1
MEDIUM
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-79 ↗Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| darylldoyle | svg-sanitizer | 0 < 1.0.0 (affected), 1.0.0 (unaffected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
GitHub Advisory
Vulnerability Class
Cross-Site Scripting (XSS)
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | VulnCheck · Bug Bounty Provider · USA |
| Reserved | 2026-10-27T10:33:39 |
| Published | 2026-10-27T10:59:33 |
| Patch Date | 2026-09-01 |
| Last Updated | 2026-10-27T10:59:33 |
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