{"id":"CVE-2026-13770","state":"PUBLISHED","title":"AppMySite <= 3.15.3 - Authenticated (Subscriber+) Stored Cross-Site Scripting via save_ams_license_key AJAX Handler","description":"The AppMySite – WordPress & WooCommerce Mobile App Builder (No-Code Android & iOS App Maker) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via save_ams_license_key AJAX Handler in all versions up to, and including, 3.15.3 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. The save_ams_license_key AJAX handler performs no capability check and no nonce verification, meaning any authenticated user with Subscriber-level access or above can invoke it to store the malicious payload.","publishedAt":"2026-09-19T07:43:14.910Z","updatedAt":"2026-09-19T14:01:23.998Z","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":["appmysite AppMySite – WordPress & WooCommerce Mobile App Builder (No-Code Android & iOS App Maker)"],"affected":[{"vendor":"appmysite","product":"AppMySite – WordPress & WooCommerce Mobile App Builder (No-Code Android & iOS App Maker)","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"3.15.3","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/34c573f4-bc21-4a5f-a44a-779c523c3212?source=cve","https://plugins.trac.wordpress.org/browser/appmysite/tags/3.15.3/includes/views/ams-home.php#L125","https://plugins.trac.wordpress.org/browser/appmysite/tags/3.15.3/includes/class-ams-admin-functions.php#L67","https://plugins.trac.wordpress.org/browser/appmysite/tags/3.15.3/includes/class-ams-admin-functions.php#L34","https://plugins.trac.wordpress.org/browser/appmysite/tags/3.15.3/includes/views/ams-home.php#L222","https://plugins.trac.wordpress.org/changeset?reponame=&old=3635325%40appmysite&new=3635325%40appmysite"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/13xxx/CVE-2026-13770.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-13770","state":"PUBLISHED","datePublished":"2026-09-19T07:43:14.910Z","dateUpdated":"2026-09-19T14:01:23.998Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2026-06-29T20:53:55.766Z"},"containers":{"cna":{"title":"AppMySite <= 3.15.3 - Authenticated (Subscriber+) Stored Cross-Site Scripting via save_ams_license_key AJAX Handler","descriptions":[{"lang":"en","value":"The AppMySite – WordPress & WooCommerce Mobile App Builder (No-Code Android & iOS App Maker) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via save_ams_license_key AJAX Handler in all versions up to, and including, 3.15.3 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. The save_ams_license_key AJAX handler performs no capability check and no nonce verification, meaning any authenticated user with Subscriber-level access or above can invoke it to store the malicious payload."}],"affected":[{"vendor":"appmysite","product":"AppMySite – WordPress & WooCommerce Mobile App Builder (No-Code Android & iOS App Maker)","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"3.15.3","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/34c573f4-bc21-4a5f-a44a-779c523c3212?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/appmysite/tags/3.15.3/includes/views/ams-home.php#L125"},{"url":"https://plugins.trac.wordpress.org/browser/appmysite/tags/3.15.3/includes/class-ams-admin-functions.php#L67"},{"url":"https://plugins.trac.wordpress.org/browser/appmysite/tags/3.15.3/includes/class-ams-admin-functions.php#L34"},{"url":"https://plugins.trac.wordpress.org/browser/appmysite/tags/3.15.3/includes/views/ams-home.php#L222"},{"url":"https://plugins.trac.wordpress.org/changeset?reponame=&old=3635325%40appmysite&new=3635325%40appmysite"}],"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":"2026-09-19T07:43:14.910Z"},"credits":[{"lang":"en","type":"finder","value":"Mitchell"}],"timeline":[{"time":"2026-09-18T18:48:37.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-13770","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-09-19T13:24:12.263777Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-19T14:01:23.998Z"}}]}}}