CVE-2026-121445Medium· 5.9▾ TwilightPoC availabledarylldoyle svg-sanitizer from 1.0.0 before 1.1.0 contains a regular expression denial of service vulnerability in the image-set pattern of stripRemoteCssTokens() when removeRemoteReferences is enabled. Attackers can submit SVGs with man…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 32.5 · likelihood 0.1 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Nov 5.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.4%
darylldoyle svg-sanitizer from 1.0.0 before 1.1.0 contains a regular expression denial of service vulnerability in the image-set pattern of stripRemoteCssTokens() when removeRemoteReferences is enabled. Attackers can submit SVGs with many unclosed image-set tokens to exhaust CPU, or trigger PCRE limits causing sanitize() to throw a TypeError and leave unsanitized content.
svg-sanitizer >= 1.0.0 < 1.1.0Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-121446Medium· 4.3svg-sanitizer 0.5.0 before 1.1.0 Incomplete url() Filtering in SVG Attributes
CVE-2026-117539Low· 3.5darylldoyle svg-sanitizer before 1.0.0 CSS Injection and Remote Reference Bypass
CVE-2026-117540High· 7.5svg-sanitizer before 1.1.0 Quadratic CPU-Exhaustion DoS via PHP-Tag Stripping Loop
CVE-2026-107379Medium· 6.5savg-sanitizer is a PHP SVG/XML sanitizer
CVE-2026-121444High· 7.5svg-sanitizer 0.11.0 before 1.1.0 Algorithmic Complexity DoS via use Reference Graph
CVE-2026-121447Medium· 6.1svg-sanitizer before 1.1.0 XSS via animateTransform on Safari