CVE-2023-23737 — Unauth

Unauth. SQL Injection (SQLi) vulnerability in MainWP MainWP Broken Links Checker Extension plugin <= 4.0 versions.

01What is this vulnerability?

Unauth. SQL Injection (SQLi) vulnerability in MainWP MainWP Broken Links Checker Extension plugin <= 4.0 versions.

02Affected products

Vendor	Product	Versions
MainWP	MainWP Broken Links Checker Extension	n/a

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: 2023-10-12T11:31:50.864Z
• Last modified: 2024-09-18T16:32:29.195Z

09References

• patchstack.com — https://patchstack.com/database/vulnerability/mainwp-broken-links-checker-extens…