CVE-2023-4624 — Server-Side Request Forgery (SSRF) in GitHub repository bookstackapp/bookstack p

Server-Side Request Forgery (SSRF) in GitHub repository bookstackapp/bookstack prior to v23.08.

01What is this vulnerability?

Server-Side Request Forgery (SSRF) in GitHub repository bookstackapp/bookstack prior to v23.08.

02Affected products

Vendor	Product	Versions
bookstackapp	bookstackapp/bookstack	unspecified

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: 2023-08-30T12:02:20.664Z
• Last modified: 2024-10-01T18:39:14.627Z

09References

• huntr.dev — https://huntr.dev/bounties/9ce5cef6-e546-44e7-addf-a2726fa4e60c
• github.com — https://github.com/bookstackapp/bookstack/commit/c324ad928dbdd54ce5b09eb0dabe60e…