webp-converter before 3.0.0 OS Command Injection via File Names and Options

Summary

webp-converter before 3.0.0 contains an OS command injection vulnerability in src/webpconverter.js helpers that run libwebp binaries via execFile with shell enabled. Attackers controlling file names or option strings passed to cwebp, dwebp, gwebp, or webpmux functions can inject shell metacharacters to execute OS commands as the Node.js process.

Evidence

The maintainer accepted the patch submitted with the report and merged the fix.

Remediation

Upgrade webp-converter to 3.0.0 or later.

References

• VulnCheck advisoryhttps://www.vulncheck.com/advisories/webp-converter-before-3.0.0-os-command-injection-via-file-names-and-options
• Fix pull requesthttps://github.com/scionoftech/webp-converter/pull/53
• Fix pull requesthttps://github.com/scionoftech/webp-converter/pull/53#issuecomment-5091652605
• Vulnerable codehttps://github.com/scionoftech/webp-converter/blob/e09d963d772cae9ff6af63c268ca838ab334f861/CHANGELOG.md
• Vulnerable codehttps://github.com/scionoftech/webp-converter/blob/3729b65f1e904ab56b947ac3772020ce37a756c8/src/webpconverter.js#L41-L52
• CVE recordhttps://www.cve.org/CVERecord?id=CVE-2026-110635