{"schemaVersion":3,"id":"CVE-2025-5258","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"The Conference Scheduler plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘className’ parameter in all versions up to, and including, 2.5.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","dates":{"published":"2025-06-24T07:24:56.851Z","modified":"2026-04-08T16:35:13.756Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.4,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":6.4,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":6.4,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"wordfence","score":6.4,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00286,"percentile":0.19849,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0.02000000000000001,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00266},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00266,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00266,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00266,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00266,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00266,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00266,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00266,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00266,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00266,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00266,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00266,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00286,"percentile":0.19849}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00266,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00266,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00266,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00266,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00266,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00286,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00286,"percentile":0.19849}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-79","name":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","description":"The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.","type":"weakness","status":"Stable","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/79.html"}],"affected":[{"vendor":"swift","product":"conference scheduler","name":"Conference Scheduler","label":"conference scheduler","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 2.5.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 2.5.1","eol":null,"hubHref":"/vendor/swift/conference_scheduler"},{"vendor":"wordpress","product":"conference-scheduler","name":"Conference Scheduler","label":"conference-scheduler","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 2.5.1 (fixed in 2.5.2)","noFixRecorded":false,"fixedIn":"2.5.2"}],"versionsText":"≤ 2.5.1 (fixed in 2.5.2)","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/0d0a03e5-b09c-430d-aa65-8ef9e01cf241?source=cve","label":"www.wordfence.com/threat-intel/vulnerabilities/id/0d0a03e5-b09c-430d-aa65-8ef9e01cf241?source=cve","hostname":"www.wordfence.com","tags":[]},{"url":"https://plugins.trac.wordpress.org/browser/conference-scheduler/trunk/conf-scheduler.php#L1703","label":"plugins.trac.wordpress.org/browser/conference-scheduler/trunk/conf-scheduler.php","hostname":"plugins.trac.wordpress.org","tags":[]},{"url":"https://wordpress.org/plugins/conference-scheduler/#developers","label":"wordpress.org/plugins/conference-scheduler/","hostname":"wordpress.org","tags":[]},{"url":"https://plugins.trac.wordpress.org/changeset/3316436/","label":"plugins.trac.wordpress.org/changeset/3316436/","hostname":"plugins.trac.wordpress.org","tags":[]},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/0d0a03e5-b09c-430d-aa65-8ef9e01cf241","label":"www.wordfence.com/threat-intel/vulnerabilities/id/0d0a03e5-b09c-430d-aa65-8ef9e01cf241","hostname":"www.wordfence.com","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2025-06-24T07:24:56.851Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-08T16:35:13.756Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":26,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T21:45:59.096Z","stale":false,"partial":false}}