CVE-2023-29400
HIGHCVSS 7.3/10EPSS 1.03%
Last modified
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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Golang | Go | < 1.19.9 |
| Golang | Go | >= 1.20.0, < 1.20.4 |
References
- 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/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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-29400?
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.
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2023
- CVE-2023-29386Unrestricted Upload of File with Dangerous Type vulnerabilit…9.1
- CVE-2023-29387Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulne…5.4
- CVE-2023-29388Unauth. Reflected Cross-Site Scripting (XSS) vulnerability i…6.1
- CVE-2023-29389Toyota RAV4 2021 vehicles automatically trust messages from …6.8
- CVE-2023-2939Insufficient data validation in Installer in Google Chrome o…7.8
- CVE-2023-2940Inappropriate implementation in Downloads in Google Chrome p…6.5
- CVE-2023-29401The filename parameter of the Context.FileAttachment functio…4.3
- CVE-2023-29402The go command may generate unexpected code at build time wh…9.8
- CVE-2023-29403On Unix platforms, the Go runtime does not behave differentl…7.8
- CVE-2023-29404The go command may execute arbitrary code at build time when…9.8
- CVE-2023-29405The go command may execute arbitrary code at build time when…9.8
- CVE-2023-29406The HTTP/1 client does not fully validate the contents of th…6.5
Are you affected by CVE-2023-29400?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST