WordPress Plugin Special Text Boxes is prone to a vulnerability that lets attackers upload arbitrary files because the application fails to properly sanitize user-supplied input. An attacker can exploit this vulnerability to upload arbitrary code and run it in the context of the webserver process. This may facilitate unauthorized access or privilege escalation; other attacks are also possible. WordPress Plugin Special Text Boxes version 5.1.90 is vulnerable; prior versions may also be affected.


Update to plugin version 5.2.91 or latest


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