{"id":"CVE-2026-15345","aliases":["EUVD-2026-59903","GHSA-6c4v-hv9q-25jc"],"status":"published","title":"ShortPixel Adaptive Images \u003c= 3.11.5 - Missing Authorization to Authenticated (Subscriber+) Third-Party Plugin Option Modification via 'causer' Parameter","description":"The ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 3.11.5. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to modify configuration options of third-party plugins including ShortPixel Image Optimizer, Autoptimize, WP Rocket, Imagify, and LiteSpeed Cache, as well as the plugin's own API key and account binding. Exploitation requires the respective third-party plugins to be installed, as the impact against those plugins' settings is only reachable when those plugins are present.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00428,"percentile":0.37395,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-08-16T05:27:30Z","modified":"2026-08-20T12:48:10Z","products":[{"vendor":"shortpixel","product":"shortpixel adaptive images – webp, avif, cdn, image optimization"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/c3efae8f-ca89-4d8c-a177-6793994b3ea0?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/shortpixel-adaptive-images/tags/3.11.5/includes/actions/notice.actions.class.php#L16"},{"url":"https://plugins.trac.wordpress.org/browser/shortpixel-adaptive-images/tags/3.11.5/includes/controllers/notice.class.php#L747"},{"url":"https://plugins.trac.wordpress.org/browser/shortpixel-adaptive-images/tags/3.11.5/includes/actions/notice.actions.class.php#L566"},{"url":"https://plugins.trac.wordpress.org/browser/shortpixel-adaptive-images/tags/3.11.5/includes/actions/notice.actions.class.php#L87"},{"url":"https://plugins.trac.wordpress.org/browser/shortpixel-adaptive-images/tags/3.11.5/includes/actions/notice.actions.class.php#L614"},{"url":"https://plugins.trac.wordpress.org/changeset?reponame=\u0026old=3625451%40shortpixel-adaptive-images\u0026new=3625451%40shortpixel-adaptive-images"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-15345"},{"url":"https://github.com/advisories/GHSA-6c4v-hv9q-25jc"}],"sources":{"cve":[{"id":"CVE-2026-15345","title":"ShortPixel Adaptive Images \u003c= 3.11.5 - Missing Authorization to Authenticated (Subscriber+) Third-Party Plugin Option Modification via 'causer' Parameter","description":"The ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 3.11.5. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to modify configuration options of third-party plugins including ShortPixel Image Optimizer, Autoptimize, WP Rocket, Imagify, and LiteSpeed Cache, as well as the plugin's own API key and account binding. Exploitation requires the respective third-party plugins to be installed, as the impact against those plugins' settings is only reachable when those plugins are present.","status":"published","published":"2026-08-16T05:27:30.7Z","modified":"2026-08-17T17:07:07.289Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T13:48:02.226896Z"}],"euvd":[{"id":"EUVD-2026-59903","description":"The ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 3.11.5. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to modify configuration options of third-party plugins including ShortPixel Image Optimizer, Autoptimize, WP Rocket, Imagify, and LiteSpeed Cache, as well as the plugin's own API key and account binding. Exploitation requires the respective third-party plugins to be installed, as the impact against those plugins' settings is only reachable when those plugins are present.","status":"published","published":"2026-08-16T05:27:30Z","modified":"2026-08-17T17:07:07Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:01:48.853514Z"}],"ghsa":[{"id":"GHSA-6c4v-hv9q-25jc","title":"The ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization plugin for WordPress is...","description":"The ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 3.11.5. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to modify configuration options of third-party plugins including ShortPixel Image Optimizer, Autoptimize, WP Rocket, Imagify, and LiteSpeed Cache, as well as the plugin's own API key and account binding. Exploitation requires the respective third-party plugins to be installed, as the impact against those plugins' settings is only reachable when those plugins are present.","status":"published","published":"2026-08-16T06:30:25Z","modified":"2026-08-16T06:30:32Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:10:31.619287Z"}],"nvd":[{"id":"CVE-2026-15345","description":"The ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 3.11.5. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to modify configuration options of third-party plugins including ShortPixel Image Optimizer, Autoptimize, WP Rocket, Imagify, and LiteSpeed Cache, as well as the plugin's own API key and account binding. Exploitation requires the respective third-party plugins to be installed, as the impact against those plugins' settings is only reachable when those plugins are present.","status":"published","published":"2026-08-16T06:16:50.493Z","modified":"2026-08-20T12:48:10.287Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:38.647684Z"}]}}