{"id":"CVE-2025-4595","aliases":["EUVD-2025-16541","GHSA-3v5w-h3c2-pm6r"],"status":"published","title":"FastSpring \u003c= 3.0.1 - Authenticated (Contributor+) Stored Cross-Site Scripting","description":"The FastSpring plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'fastspring/block-fastspringblocks-complete-product-catalog' block in all versions up to, and including, 3.0.1 due to insufficient input sanitization and output escaping on the 'color' attribute. 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":0.00227,"percentile":0.13493,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-05-31T06:40:58Z","modified":"2026-06-17T09:33:35Z","products":[{"vendor":"jtewes","product":"fastspring"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/e96d118a-e38c-4043-9550-5f5ab0d83dc7?source=cve"},{"url":"https://wordpress.org/plugins/fastspring/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-4595"},{"url":"https://wordpress.org/plugins/fastspring"},{"url":"https://github.com/advisories/GHSA-3v5w-h3c2-pm6r"}],"sources":{"cve":[{"id":"CVE-2025-4595","title":"FastSpring \u003c= 3.0.1 - Authenticated (Contributor+) Stored Cross-Site Scripting","description":"The FastSpring plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'fastspring/block-fastspringblocks-complete-product-catalog' block in all versions up to, and including, 3.0.1 due to insufficient input sanitization and output escaping on the 'color' attribute. 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":"2025-05-31T06:40:58.535Z","modified":"2026-04-08T17:30:46.564Z","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":"2026-11-02T14:32:48.512547Z"}],"euvd":[{"id":"EUVD-2025-16541","description":"The FastSpring plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'fastspring/block-fastspringblocks-complete-product-catalog' block in all versions up to, and including, 3.0.1 due to insufficient input sanitization and output escaping on the 'color' attribute. 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":"2025-05-31T06:40:58Z","modified":"2026-04-08T17:30:46Z","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":"2026-11-02T19:24:35.429442Z"}],"ghsa":[{"id":"GHSA-3v5w-h3c2-pm6r","title":"The FastSpring plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's...","description":"The FastSpring plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'fastspring/block-fastspringblocks-complete-product-catalog' block in all versions up to, and including, 3.0.1 due to insufficient input sanitization and output escaping on the 'color' attribute. 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":"2025-05-31T09:30:29Z","modified":"2025-05-31T09:30:35Z","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":"2026-11-02T15:02:31.34634Z"}],"nvd":[{"id":"CVE-2025-4595","description":"The FastSpring plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'fastspring/block-fastspringblocks-complete-product-catalog' block in all versions up to, and including, 3.0.1 due to insufficient input sanitization and output escaping on the 'color' attribute. 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":"2025-05-31T07:15:20.84Z","modified":"2026-06-17T09:33:35.55Z","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":"2026-11-02T14:11:10.143444Z"}]}}