{"id":"CVE-2013-0731","aliases":["EUVD-2013-0742","GHSA-j99w-349h-39gr"],"status":"published","title":"ajax.functions.php in the MailUp plugin before 1.3.3 for WordPress does not properly restrict...","description":"ajax.functions.php in the MailUp plugin before 1.3.3 for WordPress does not properly restrict access to unspecified Ajax functions, which allows remote attackers to modify plugin settings and conduct cross-site scripting (XSS) attacks by setting the wordpress_logged_in cookie.  NOTE: this is due to an incomplete fix for a similar issue that was fixed in 1.3.2.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02585,"percentile":0.85351,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-264"],"published":"2013-03-22T15:00:00Z","modified":"2026-06-16T23:49:58Z","products":[{"vendor":"mailup","product":"wp-mailup"}],"references":[{"url":"http://plugins.trac.wordpress.org/changeset?new=682420","tags":["x_refsource_MISC","x_transferred","Exploit","Patch"]},{"url":"http://www.securityfocus.com/bid/58467","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://secunia.com/advisories/51917","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://wordpress.org/extend/plugins/wp-mailup/changelog/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://osvdb.org/91274","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/82847","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-0731"},{"url":"http://wordpress.org/extend/plugins/wp-mailup/changelog"},{"url":"https://github.com/advisories/GHSA-j99w-349h-39gr"}],"sources":{"cve":[{"id":"CVE-2013-0731","description":"ajax.functions.php in the MailUp plugin before 1.3.3 for WordPress does not properly restrict access to unspecified Ajax functions, which allows remote attackers to modify plugin settings and conduct cross-site scripting (XSS) attacks by setting the wordpress_logged_in cookie.  NOTE: this is due to an incomplete fix for a similar issue that was fixed in 1.3.2.","status":"published","published":"2013-03-22T15:00:00Z","modified":"2024-08-06T14:33:05.601Z","updated_at":"2026-11-02T14:34:59.551717Z"}],"euvd":[{"id":"EUVD-2013-0742","description":"ajax.functions.php in the MailUp plugin before 1.3.3 for WordPress does not properly restrict access to unspecified Ajax functions, which allows remote attackers to modify plugin settings and conduct cross-site scripting (XSS) attacks by setting the wordpress_logged_in cookie.  NOTE: this is due to an incomplete fix for a similar issue that was fixed in 1.3.2.","status":"published","published":"2013-03-22T15:00:00Z","modified":"2024-08-06T14:33:05Z","updated_at":"2026-11-03T01:56:44.317818Z"}],"ghsa":[{"id":"GHSA-j99w-349h-39gr","title":"ajax.functions.php in the MailUp plugin before 1.3.3 for WordPress does not properly restrict...","description":"ajax.functions.php in the MailUp plugin before 1.3.3 for WordPress does not properly restrict access to unspecified Ajax functions, which allows remote attackers to modify plugin settings and conduct cross-site scripting (XSS) attacks by setting the wordpress_logged_in cookie.  NOTE: this is due to an incomplete fix for a similar issue that was fixed in 1.3.2.","status":"published","published":"2022-05-17T01:36:51Z","modified":"2025-04-11T04:09:53Z","updated_at":"2026-11-02T15:01:13.537017Z"}],"nvd":[{"id":"CVE-2013-0731","description":"ajax.functions.php in the MailUp plugin before 1.3.3 for WordPress does not properly restrict access to unspecified Ajax functions, which allows remote attackers to modify plugin settings and conduct cross-site scripting (XSS) attacks by setting the wordpress_logged_in cookie.  NOTE: this is due to an incomplete fix for a similar issue that was fixed in 1.3.2.","status":"published","published":"2013-03-22T15:55:01.063Z","modified":"2026-06-16T23:49:58.243Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:02:24.091325Z"}]}}