CVE-2022-3865 — The WP User Merger WordPress plugin before 1

The WP User Merger WordPress plugin before 1.5.3 does not properly sanitise and escape a parameter before using it in a SQL statement, leading to a SQL injection exploitable by users with a role as low as admin

01What is this vulnerability?

The WP User Merger WordPress plugin before 1.5.3 does not properly sanitise and escape a parameter before using it in a SQL statement, leading to a SQL injection exploitable by users with a role as low as admin

02Affected products

Vendor	Product	Versions
Unknown	WP User Merger	0

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: 2022-11-28T13:50:09.396Z
• Last modified: 2025-04-25T15:05:38.236Z

09References

• wpscan.com — https://wpscan.com/vulnerability/fbe4aed8-964a-4774-bbc3-d432792bfeb6
• bulletin.iese.de — https://bulletin.iese.de/post/wp-user-merger_1-5-1_1/