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 be properly sanitized during execution.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.016 (74.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Golang Go
- Go Standard Library Html/template — versions 0, 1.20.0-0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- go.dev/issue/59721 (Patch, Issue Tracking)
- go.dev/cl/491616 (Patch)
- groups.google.com/g/golang-announce/c/MEb0UyuSMsU (Mailing List, Release Notes)
- pkg.go.dev/vuln/GO-2023-1752 (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.