CVE-2023-3981 — Server-Side Request Forgery (SSRF) in GitHub repository omeka/omeka-s prior to 4

Server-Side Request Forgery (SSRF) in GitHub repository omeka/omeka-s prior to 4.0.2.

01What is this vulnerability?

Server-Side Request Forgery (SSRF) in GitHub repository omeka/omeka-s prior to 4.0.2.

02Affected products

Vendor	Product	Versions
omeka	omeka/omeka	s — 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

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

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: 2023-07-27T18:28:11.153Z
• Last modified: 2024-10-15T15:28:05.660Z

09References

• huntr.dev — https://huntr.dev/bounties/f5018226-0063-415d-9675-d7e30934ff78
• github.com — https://github.com/omeka/omeka-s/commit/dc01ca1b03e845db8a6a6b665d8da36c8dcd2c31