{"id":"CVE-2024-11326","state":"PUBLISHED","title":"Campaign Monitor Forms by Optin Cat <= 2.5.7 - Reflected Cross-Site Scripting","description":"The Campaign Monitor Forms by Optin Cat plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 2.5.7. 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.","publishedAt":"2024-12-03T11:04:03.533Z","updatedAt":"2026-04-08T17:10:08.854Z","severity":{"score":6.1,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","source":"Wordfence"},"assigner":"Wordfence","products":["fatcatapps Campaign Monitor Forms by Optin Cat"],"affected":[{"vendor":"fatcatapps","product":"Campaign Monitor Forms by Optin Cat","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.5.7","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/95ebb2ad-91a8-4a0d-ba91-f417943545b4?source=cve","https://plugins.trac.wordpress.org/browser/campaign-monitor-wp/trunk/includes/eoi-subscribers.php#L353","https://plugins.trac.wordpress.org/changeset/3198560/campaign-monitor-wp/trunk/includes/eoi-subscribers.php"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:06:50.777Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/11xxx/CVE-2024-11326.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-11326","state":"PUBLISHED","datePublished":"2024-12-03T11:04:03.533Z","dateUpdated":"2026-04-08T17:10:08.854Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2024-11-18T15:09:02.200Z"},"containers":{"cna":{"title":"Campaign Monitor Forms by Optin Cat <= 2.5.7 - Reflected Cross-Site Scripting","descriptions":[{"lang":"en","value":"The Campaign Monitor Forms by Optin Cat plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 2.5.7. 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."}],"affected":[{"vendor":"fatcatapps","product":"Campaign Monitor Forms by Optin Cat","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.5.7","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/95ebb2ad-91a8-4a0d-ba91-f417943545b4?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/campaign-monitor-wp/trunk/includes/eoi-subscribers.php#L353"},{"url":"https://plugins.trac.wordpress.org/changeset/3198560/campaign-monitor-wp/trunk/includes/eoi-subscribers.php"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","baseScore":6.1,"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":"2026-04-08T17:10:08.854Z"},"credits":[{"lang":"en","type":"finder","value":"vgo0"}],"timeline":[{"time":"2024-12-02T21:32:59.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-11326","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-12-03T11:20:05.716019Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-12-03T11:23:41.044Z"}}]}}}