{"id":"CVE-2026-119714","published":"2026-10-30T16:17:54.713","lastModified":"2026-10-30T19:23:25.493","description":"My Calendar WordPress plugin 3.8.8 before 3.8.11 contains a shortcode injection vulnerability that allows unauthenticated attackers to execute registered shortcodes via the mcs search parameter. The mcs value reaches mc_search_results() in src/my-calendar-search.php without bracket encoding before do_shortcode runs, so a GET request triggers shortcodes on any page or post, enabling content injection and spoofing.","cvssScore":6.5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","cwes":["CWE-94"],"vendors":[],"products":[],"references":[{"url":"https://github.com/joedolson/my-calendar","tags":[]},{"url":"https://github.com/joedolson/my-calendar/blob/v3.8.10/src/my-calendar-search.php#L170","tags":[]},{"url":"https://github.com/joedolson/my-calendar/commit/de875c25d9651abb041b2dfe32f60a4320c66496","tags":[]},{"url":"https://github.com/joedolson/my-calendar/releases/tag/v3.8.11","tags":[]},{"url":"https://www.vulncheck.com/advisories/my-calendar-3.8.8-before-3.8.11-unauthenticated-shortcode-injection-via-mcs-parameter","tags":[]}],"exploitRefs":[{"url":"https://github.com/joedolson/my-calendar","tags":[]},{"url":"https://github.com/joedolson/my-calendar/blob/v3.8.10/src/my-calendar-search.php#L170","tags":[]},{"url":"https://github.com/joedolson/my-calendar/commit/de875c25d9651abb041b2dfe32f60a4320c66496","tags":[]},{"url":"https://github.com/joedolson/my-calendar/releases/tag/v3.8.11","tags":[]}],"hasPoc":true,"ai":null}