{"id":"CVE-2023-4635","aliases":["EUVD-2023-54488","GHSA-836w-q8xf-8mq9"],"status":"published","title":"EventON \u003c= 2.2.2 - Reflected Cross-Site Scripting","description":"The EventON plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'tab' parameter in versions up to, and including, 2.2.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-07","score":0.00741,"percentile":0.54889,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2023-10-21T07:33:23Z","modified":"2026-06-17T06:38:16Z","products":[{"vendor":"ashanjay","product":"eventon – events calendar"},{"vendor":"myeventon","product":"eventon-lite"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/115ad0b2-febe-485a-8fb5-9bd6edc37ef7?source=cve","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://github.com/xsn1210/vul/blob/main/xss%5BEventON%5D%20.md","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026old=2981861%40eventon-lite\u0026new=2981861%40eventon-lite\u0026sfp_email=\u0026sfph_mail="},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4635"},{"url":"https://github.com/advisories/GHSA-836w-q8xf-8mq9"}],"sources":{"cve":[{"id":"CVE-2023-4635","title":"EventON \u003c= 2.2.2 - Reflected Cross-Site Scripting","description":"The EventON plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'tab' parameter in versions up to, and including, 2.2.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.","status":"published","published":"2023-10-21T07:33:23.554Z","modified":"2026-04-08T16:36:15.154Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:30.851125Z"}],"euvd":[{"id":"EUVD-2023-54488","description":"The EventON plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'tab' parameter in versions up to, and including, 2.2.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.","status":"published","published":"2023-10-21T07:33:23Z","modified":"2026-04-08T16:36:15Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:25:08.748798Z"}],"ghsa":[{"id":"GHSA-836w-q8xf-8mq9","title":"The EventON plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'tab'...","description":"The EventON plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'tab' parameter in versions up to, and including, 2.2.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.","status":"published","published":"2023-10-21T09:30:25Z","modified":"2026-04-08T18:33:24Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:07:14.458027Z"}],"nvd":[{"id":"CVE-2023-4635","description":"The EventON plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'tab' parameter in versions up to, and including, 2.2.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.","status":"published","published":"2023-10-21T08:15:08.897Z","modified":"2026-06-17T06:38:16.15Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:08:39.058878Z"}]}}