{"id":"CVE-2026-8873","aliases":["EUVD-2026-32080","GHSA-m2jj-4c8g-xgj3"],"status":"published","title":"Content Slideshow \u003c= 2.4.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes","description":"The Content Slideshow plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Shortcode Attributes in all versions up to, and including, 2.4.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","severity":{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00187,"percentile":0.08328,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-05-27T05:31:28Z","modified":"2026-06-17T11:04:33Z","products":[{"vendor":"celloexpressions","product":"content slideshow"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/9548f647-9fcb-481c-874e-0184609283fe?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/content-slideshow/tags/2.4.1/slideshow-widget-shortcode.php#L143"},{"url":"https://plugins.trac.wordpress.org/browser/content-slideshow/tags/2.4.1/slideshow-widget-shortcode.php#L14"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8873"},{"url":"https://github.com/advisories/GHSA-m2jj-4c8g-xgj3"}],"sources":{"cve":[{"id":"CVE-2026-8873","title":"Content Slideshow \u003c= 2.4.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes","description":"The Content Slideshow plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Shortcode Attributes in all versions up to, and including, 2.4.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2026-05-27T05:31:28.415Z","modified":"2026-05-27T10:34:31.75Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T13:48:02.226896Z"}],"euvd":[{"id":"EUVD-2026-32080","description":"The Content Slideshow plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Shortcode Attributes in all versions up to, and including, 2.4.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2026-05-27T05:31:28Z","modified":"2026-05-27T10:34:31Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:21:06.054612Z"}],"ghsa":[{"id":"GHSA-m2jj-4c8g-xgj3","title":"The Content Slideshow plugin for WordPress is vulnerable to Stored Cross-Site Scripting via...","description":"The Content Slideshow plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Shortcode Attributes in all versions up to, and including, 2.4.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2026-05-27T09:31:13Z","modified":"2026-05-27T09:31:21Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:08:19.474205Z"}],"nvd":[{"id":"CVE-2026-8873","description":"The Content Slideshow plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Shortcode Attributes in all versions up to, and including, 2.4.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2026-05-27T07:16:16.89Z","modified":"2026-06-17T11:04:33.197Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:20.511562Z"}]}}