CVE-2020-36742

Summary

CVE-2020-36742 is a Cross-Site Request Forgery (CSRF) vulnerability affecting the Custom Field Template plugin for WordPress. Versions up to and including 2.5.1 are impacted by this issue. The problem lies in the edit_meta_value() function, which lacks proper nonce validation. As a result, an attacker can manipulate meta field values through a malicious request, provided they can induce a site administrator into executing that request, often through a specially crafted link. This vulnerability poses a serious risk to WordPress sites using the Custom Field Template plugin and should be addressed promptly with updates or patches.

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