Description
WordPress Plugin JSM file_get_contents() Shortcode is prone to a server-side request forgery vulnerability. An attacker may leverage this issue to make the vulnerable server perform port scanning of hosts in internal or external networks; other attacks are also possible. WordPress Plugin JSM file_get_contents() Shortcode version 2.7.0 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 2.7.1 or latest
References
https://research.cleantalk.org/cve-2023-6991-jsm-file_get_contents-shortcode-ssrf-poc/
https://plugins.svn.wordpress.org/wp-file-get-contents/trunk/readme.txt