Description
WordPress Plugin WordPress Clean Up & Optimizer-Clean Up Optimizer is prone to an SQL injection vulnerability because it fails to sufficiently sanitize user-supplied data before using it in an SQL query. Exploiting this issue could allow an attacker to compromise the application, access or modify data, or exploit latent vulnerabilities in the underlying database. WordPress Plugin WordPress Clean Up & Optimizer-Clean Up Optimizer version 3.0.13 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 4.0.0 or latest
References
http://defensecode.com/advisories/DC-2017-12-004_WordPress_Clean_Up_Optimizer_Plugin_Advisory.pdf
https://packetstormsecurity.com/files/145501/WordPress-Clean-Up-Optimizer-4.0.0-SQL-Injection.html
https://plugins.svn.wordpress.org/wp-clean-up-optimizer/trunk/readme.txt
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SharePoint CVE-2021-31964 Vulnerability (CVE-2021-31964)
Jboss EAP Improper Control of Generation of Code ('Code Injection') Vulnerability (CVE-2014-3518)