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CVE-2023-24540

CRITICAL severity · CVSS 9.8 · Command injection
9.8CVSS CRITICAL

Summary

Not all valid JavaScript whitespace characters are considered to be whitespace. Templates containing whitespace characters outside of the character set "\t\n\f\r\u0020\u2028\u2029" in JavaScript contexts that also contain actions may not be properly sanitized during execution.

Impact & exploitability

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products we track (1)

Go

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Official patch: https://go.dev/cl/491616 ↗

Last checked: Wed, 10 Jun 2026 22:18:30 UTC