Users of Advanced Custom Fields plugin for WordPress are being urged to update version 6.1.6 following the discovery of a security flaw.
The issue, assigned the identifier CVE-2023-30777, relates to a case of reflected cross-site scripting (XSS) that could be abused to inject arbitrary executable scripts into otherwise benign websites.
The plugin, which is available both as a free and pro version, has over two million active installations. The issue was discovered and reported to the maintainers on May 2, 2023.
"This vulnerability allows any unauthenticated user from stealing sensitive information to, in this case, privilege escalation on the WordPress site by tricking a privileged user to visit the crafted URL path," Patchstack researcher Rafie Muhammad said.
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