CVE-2023-24540

Improper handling of JavaScript whitespace in html/template

Description

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.24%
Vendor Advisory go.dev
Affected: Go standard library html/template
Published at:
Updated at:

References

Link Tags
https://go.dev/issue/59721 patch issue tracking
https://go.dev/cl/491616 patch
https://groups.google.com/g/golang-announce/c/MEb0UyuSMsU release notes mailing list
https://pkg.go.dev/vuln/GO-2023-1752 vendor advisory
https://security.netapp.com/advisory/ntap-20241115-0008/

Frequently Asked Questions

What is the severity of CVE-2023-24540?
CVE-2023-24540 has been scored as a critical severity vulnerability.
How to fix CVE-2023-24540?
To fix CVE-2023-24540, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-24540 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-24540 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-24540?
CVE-2023-24540 affects Go standard library html/template.
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