CVE-2023-38492 — Kirby is a content management system

Kirby is a content management system. A vulnerability in versions prior to 3.5.8.3, 3.6.6.3, 3.7.5.2, 3.8.4.1, and 3.9.6 affects all Kirby sites with user accounts (unless Kirby's API and Panel are disabled in the config). The real-world impact of this vulnerability is limit

01What is this vulnerability?

Kirby is a content management system. A vulnerability in versions prior to 3.5.8.3, 3.6.6.3, 3.7.5.2, 3.8.4.1, and 3.9.6 affects all Kirby sites with user accounts (unless Kirby's API and Panel are disabled in the config). The real-world impact of this vulnerability is limited, however we still recommend to update to one of the patch releases because they also fix more severe vulnerabilities.

02Affected products

Vendor	Product	Versions
getkirby	kirby	< 3.5.8.3, >= 3.6.0, < 3.6.6.3, >= 3.7.0, < 3.7.5.2, >= 3.8.0, < 3.8.41, >= 3.9.0, < 3.9.6

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-07-27T15:43:55.533Z
• Last modified: 2024-10-22T20:19:13.669Z

09References

• github.com — https://github.com/getkirby/kirby/security/advisories/GHSA-3v6j-v3qc-cxff
• github.com — https://github.com/getkirby/kirby/commit/0e10ce3b0c2b88656564b8ff518ddc99136ac43…
• github.com — https://github.com/getkirby/kirby/releases/tag/3.5.8.3
• github.com — https://github.com/getkirby/kirby/releases/tag/3.6.6.3
• github.com — https://github.com/getkirby/kirby/releases/tag/3.7.5.2
• github.com — https://github.com/getkirby/kirby/releases/tag/3.8.4.1
• github.com — https://github.com/getkirby/kirby/releases/tag/3.9.6