{"id":"CVE-2023-1400","aliases":["EUVD-2023-23656","GHSA-3cw2-x5r6-wgmh"],"status":"published","title":"Modern Events Calendar lite \u003c 6.5.2 - Admin+ Stored XSS","description":"The Modern Events Calendar Lite WordPress plugin before 6.5.2 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00501,"percentile":0.43268,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2023-03-27T15:37:25Z","modified":"2026-06-17T05:27:52Z","products":[{"vendor":"unknown","product":"modern events calendar lite"},{"vendor":"webnus","product":"modern_events_calendar_lite"},{"vendor":"webnus/","product":"modern events calendar lite"}],"references":[{"url":"https://wpscan.com/vulnerability/c7feceef-28f1-4cac-b124-4b95e3f17b07","tags":["exploit","vdb-entry","technical-description","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-1400"},{"url":"https://github.com/advisories/GHSA-3cw2-x5r6-wgmh"}],"sources":{"cve":[{"id":"CVE-2023-1400","title":"Modern Events Calendar lite \u003c 6.5.2 - Admin+ Stored XSS","description":"The Modern Events Calendar Lite WordPress plugin before 6.5.2 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).","status":"published","published":"2023-03-27T15:37:25.452Z","modified":"2025-04-23T16:23:17.336Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"updated_at":"2026-11-02T14:35:32.376766Z"}],"euvd":[{"id":"EUVD-2023-23656","description":"The Modern Events Calendar Lite WordPress plugin before 6.5.2 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).","status":"published","published":"2023-03-27T15:37:25Z","modified":"2025-04-23T16:23:17Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T20:52:12.74685Z"}],"ghsa":[{"id":"GHSA-3cw2-x5r6-wgmh","title":"The Modern Events Calendar Lite WordPress plugin through 5.16.2 does not sanitise and escape some...","description":"The Modern Events Calendar Lite WordPress plugin through 5.16.2 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).","status":"published","published":"2023-03-27T18:30:26Z","modified":"2023-04-08T05:00:55Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:54:27.812339Z"}],"nvd":[{"id":"CVE-2023-1400","description":"The Modern Events Calendar Lite WordPress plugin before 6.5.2 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).","status":"published","published":"2023-03-27T16:15:09.96Z","modified":"2026-06-17T05:27:52.46Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"updated_at":"2026-11-02T14:07:51.883939Z"}]}}