RCE in Golang Go
CVE-2023-24540
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 b…
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.015 (72.3th 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, Release Notes)
- security@golang.org (Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-24540?
- CVE-2023-24540 is a critical-severity vulnerability in Golang Go, classified under Command Injection. CVSS score: 9.8/10. Published 2023-05-11.
- How severe is CVE-2023-24540?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2023-24540 known to be exploited?
- 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.