RCE in Golang Go
CVE-2023-24538
Templates do not properly consider backticks (`) as Javascript string delimiters, and do not escape them as expected. Backticks are used, since ES6, for JS template literals. If a template contains a Go template action within a Javascript…
Vulnerability class: RCE (Remote Code Execution)
EPSS: 0.023 (81.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Golang Go
- Go Standard Library Html/template — versions 0, 1.20.0-0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@golang.org (Patch, Issue Tracking)
- security@golang.org (Patch)
- security@golang.org (Mailing List)
- security@golang.org (Vendor Advisory)
- security@golang.org
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-24538?
- CVE-2023-24538 is a critical-severity vulnerability in Golang Go, classified under Code Injection. CVSS score: 9.8/10. Published 2023-04-06.
- How severe is CVE-2023-24538?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2023-24538 known to be exploited?
- 12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.