{"id":"CVE-2026-8489","state":"PUBLISHED","title":"Ultimate Member <= 2.11.4 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Non-HTML Custom Textarea Profile Field","description":"The Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'about_me' parameter in all versions up to, and including, 2.11.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","publishedAt":"2026-07-03T04:30:16.942Z","updatedAt":"2026-07-06T15:32:47.818Z","severity":{"score":6.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","source":"Wordfence"},"assigner":"Wordfence","products":["ultimatemember Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin"],"affected":[{"vendor":"ultimatemember","product":"Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.11.4","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/229a4e61-571c-44c6-9972-4dfc743afffe?source=cve","https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.4/includes/core/um-filters-fields.php#L271","https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.4/includes/core/class-profile.php#L479","https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.4/includes/core/class-fields.php#L4577","https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.4/includes/core/class-form.php#L854","https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.4/includes/core/um-actions-form.php#L628","https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.2/includes/core/um-filters-fields.php#L271","https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.2/includes/core/class-profile.php#L479","https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.2/includes/core/class-fields.php#L4577","https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.2/includes/core/class-form.php#L854","https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.2/includes/core/um-actions-form.php#L628"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/8xxx/CVE-2026-8489.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-8489","state":"PUBLISHED","datePublished":"2026-07-03T04:30:16.942Z","dateUpdated":"2026-07-06T15:32:47.818Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2026-05-13T14:58:02.236Z"},"containers":{"cna":{"title":"Ultimate Member <= 2.11.4 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Non-HTML Custom Textarea Profile Field","descriptions":[{"lang":"en","value":"The Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'about_me' parameter in all versions up to, and including, 2.11.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."}],"affected":[{"vendor":"ultimatemember","product":"Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.11.4","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/229a4e61-571c-44c6-9972-4dfc743afffe?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.4/includes/core/um-filters-fields.php#L271"},{"url":"https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.4/includes/core/class-profile.php#L479"},{"url":"https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.4/includes/core/class-fields.php#L4577"},{"url":"https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.4/includes/core/class-form.php#L854"},{"url":"https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.4/includes/core/um-actions-form.php#L628"},{"url":"https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.2/includes/core/um-filters-fields.php#L271"},{"url":"https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.2/includes/core/class-profile.php#L479"},{"url":"https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.2/includes/core/class-fields.php#L4577"},{"url":"https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.2/includes/core/class-form.php#L854"},{"url":"https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.11.2/includes/core/um-actions-form.php#L628"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","baseScore":6.4,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"Wordfence","orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateUpdated":"2026-07-03T04:30:16.942Z"},"credits":[{"lang":"en","type":"finder","value":"daroo"}],"timeline":[{"time":"2026-05-13T15:14:25.000Z","lang":"en","value":"Vendor Notified"},{"time":"2026-07-02T15:57:05.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-06T15:32:38.660364Z","id":"CVE-2026-8489","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-06T15:32:47.818Z"}}]}}}