CVE-2023-41887 — OpenRefine is a powerful free, open source tool for working with messy data

OpenRefine is a powerful free, open source tool for working with messy data. Prior to version 3.7.5, a remote code execution vulnerability allows any unauthenticated user to execute code on the server. Version 3.7.5 has a patch for this issue.

01What is this vulnerability?

OpenRefine is a powerful free, open source tool for working with messy data. Prior to version 3.7.5, a remote code execution vulnerability allows any unauthenticated user to execute code on the server. Version 3.7.5 has a patch for this issue.

02Affected products

Vendor	Product	Versions
OpenRefine	OpenRefine	<= 3.7.4

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:

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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: 2023-09-15T20:06:55.728Z
• Last modified: 2024-09-25T18:55:03.906Z

09References

• github.com — https://github.com/OpenRefine/OpenRefine/security/advisories/GHSA-p3r5-x3hr-gpg5
• github.com — https://github.com/OpenRefine/OpenRefine/commit/693fde606d4b5b78b16391c29d110389…