{"id":"CVE-2026-12954","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-12954","summary":"The Mapster WP Maps plugin for WordPress is vulnerable to Arbitrary User Meta Write in all versions up to, and including, 1.23.0 via the `my_profile_update()` function. This is due…","details":"The Mapster WP Maps plugin for WordPress is vulnerable to Arbitrary User Meta Write in all versions up to, and including, 1.23.0 via the `my_profile_update()` function. This is due to the function performing no nonce verification, no capability check, and no allowlist validation on the meta key supplied via the `acf-photo-gallery-groups` POST parameter before passing both the meta key and its corresponding value directly to `update_user_meta()`. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update arbitrary user meta values, though privilege escalation is not possible.","published":"2026-09-18T08:16:59.100","modified":"2026-09-18T08:16:59.100","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://plugins.trac.wordpress.org/browser/mapster-wp-maps/tags/1.21.0/includes/acf-photo-gallery-field/includes/acf_photo_gallery_save.php#L43"},{"type":"WEB","url":"https://plugins.trac.wordpress.org/browser/mapster-wp-maps/tags/1.21.0/includes/acf-photo-gallery-field/includes/acf_photo_gallery_save.php#L47"},{"type":"WEB","url":"https://plugins.trac.wordpress.org/browser/mapster-wp-maps/tags/1.23.0/includes/acf-photo-gallery-field/includes/acf_photo_gallery_save.php#L43"},{"type":"WEB","url":"https://plugins.trac.wordpress.org/browser/mapster-wp-maps/tags/1.23.0/includes/acf-photo-gallery-field/includes/acf_photo_gallery_save.php#L47"},{"type":"WEB","url":"https://plugins.trac.wordpress.org/changeset?reponame=&old=3611280%40mapster-wp-maps&new=3611280%40mapster-wp-maps"},{"type":"WEB","url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/a70757f7-63a0-452a-a078-0fb7f82844b6?source=cve"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-18T08:16:59.100"}}