{"id":"CVE-2026-121446","title":"svg-sanitizer 0.5.0 before 1.1.0 Incomplete url() Filtering in SVG Attributes","summary":"svg-sanitizer from 0.5.0 before 1.1.0 contains an incomplete filtering vulnerability that allows attackers to bypass remote URL removal by using CSS escape sequences inside url() in SVG presentation attributes. Attackers can supply SVG f…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","cvssSource":"cna","cwe":["CWE-791"],"vendor":"darylldoyle","product":"svg-sanitizer","affected":["svg-sanitizer >= 0.5.0 < 1.1.0"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-07T03:03:46.540150Z"},"exploitAvailable":true,"published":"2026-11-03","updated":"2026-11-07","sourceUpdated":"2026-11-07T03:04:07.902Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-121446","references":[{"url":"https://github.com/darylldoyle/svg-sanitizer/security/advisories/GHSA-3vh3-jf65-656w","label":"GitHub Security Advisory (GHSA-3vh3-jf65-656w)"},{"url":"https://www.vulncheck.com/advisories/svg-sanitizer-0.5.0-before-1.1.0-incomplete-url-filtering-in-svg-attributes","label":"VulnCheck Advisory: svg-sanitizer 0.5.0 before 1.1.0 Incomplete url() Filtering in SVG Attributes"}],"tags":["cve.org","exploit-available"],"epss":0.00197,"epssPercentile":0.09466,"ingestedAt":"2026-11-05T19:30:42.971Z","slug":"CVE-2026-121446","body":"## Overview\n\nsvg-sanitizer from 0.5.0 before 1.1.0 contains an incomplete filtering vulnerability that allows attackers to bypass remote URL removal by using CSS escape sequences inside url() in SVG presentation attributes. Attackers can supply SVG files with attributes like fill containing escaped slashes that browsers resolve to remote URLs, triggering external requests and enabling data exfiltration.\n\n## Affected\n\n- `svg-sanitizer >= 0.5.0 < 1.1.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":36,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":235768,"id":"CVE-2026-121446","ts":1794024607124,"field":"exploit_available","old":"false","new":"true"}]}