CVE-2023-29400

Name: CVE-2023-29400
Creator: NVD / NIST
Published: 2023-05-11T16:15:09.85+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.3/10EPSS 1.03%

Last modified Jun 17, 2026

CVE-2023-29400 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. Templates containing actions in unquoted HTML attributes (e.g. "attr={{.}}") executed with empty input can result in output with unexpected results when parsed due to HTML normalization rules. EPSS estimates a 1.03% chance of exploitation in the next 30 days.

Description

Templates containing actions in unquoted HTML attributes (e.g. "attr={{.}}") executed with empty input can result in output with unexpected results when parsed due to HTML normalization rules. This may allow injection of arbitrary attributes into tags.

Metrics

CVSS 3.1

7.3/10

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

EPSS Probability

1.03%

59.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Golang	Go	< 1.19.9
Golang	Go	>= 1.20.0, < 1.20.4

References

https://go.dev/cl/491617Patch
https://go.dev/issue/59722Issue Tracking, Patch
https://groups.google.com/g/golang-announce/c/MEb0UyuSMsUMailing List, Release Notes
https://pkg.go.dev/vuln/GO-2023-1753Vendor Advisory
https://go.dev/cl/491617Patch
https://go.dev/issue/59722Issue Tracking, Patch
https://groups.google.com/g/golang-announce/c/MEb0UyuSMsUMailing List, Release Notes
https://pkg.go.dev/vuln/GO-2023-1753Vendor Advisory
https://security.netapp.com/advisory/ntap-20241213-0005/

Timeline

Published: May 11, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-29400?

How severe is CVE-2023-29400?

CVE-2023-29400 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 1.03% probability of exploitation in the next 30 days.

How do I fix CVE-2023-29400?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-29400?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST