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Vulnerability · Published Aug 13, 2026 · Assigned by GitHub_M

CVE-2026-73650SVGO: removeScripts plugin leaves some executable scripts intact

High 8.2

In plain English

A high-severity cross-site scripting in svgo from svg. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.2High
Exploit odds (30 days)0.4%top 62.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

SVGO, short for SVG Optimizer, is a Node.js library and command-line application for optimizing SVG files. From version 1.0.0 until versions 2.8.3, 3.3.4, and 4.0.2, the removeScripts plugin, named removeScriptElement in versions 1 through 3, can leave executable content in optimized SVGs because it does not remove namespaced or prefixed script elements such as <svg:script> and, in versions 3 and 4, matches JavaScript URIs case sensitively. Applications that process untrusted SVG input with this plugin enabled and serve the result can allow scripts to execute when another user opens the SVG, exposing local storage or cookies. This issue is fixed in versions 2.8.3, 3.3.4, and 4.0.2.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:14node-svgo3.3.5+ds-1DEBIAN-CVE-2026-73650
npmsvgo2.8.3GHSA-2p49-hgcm-8545
npmsvgo3.3.4GHSA-2p49-hgcm-8545
npmsvgo4.0.2GHSA-2p49-hgcm-8545

Affected products (as reported)

VendorProductVersions
svg svgo >= 1.0.0, < 2.8.3>= 3.0.0, < 3.3.4>= 4.0.0, < 4.0.2

Weakness: CWE-79, CWE-184 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N

References