{"id":"CVE-2021-34641","aliases":["EUVD-2021-21291","GHSA-j6v6-784c-hpw9"],"status":"published","title":"SEOPress \u003c= 5.0.0 – 5.0.3 Authenticated Stored Cross-Site Scripting","description":"The SEOPress WordPress plugin is vulnerable to Stored Cross-Site-Scripting via the processPut function found in the ~/src/Actions/Api/TitleDescriptionMeta.php file which allows authenticated attackers to inject arbitrary web scripts, in versions 5.0.0 - 5.0.3.","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":0.00648,"percentile":0.51354,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-08-16T18:47:57Z","modified":"2026-06-17T03:56:17Z","products":[{"vendor":"seopress","product":"seopress"}],"references":[{"url":"https://www.wordfence.com/blog/2021/08/xss-vulnerability-patched-in-seopress-affects-100000-sites/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://plugins.trac.wordpress.org/browser/wp-seopress/tags/5.0.4/src/Actions/Api/TitleDescriptionMeta.php#L78","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-34641"},{"url":"https://github.com/advisories/GHSA-j6v6-784c-hpw9"}],"sources":{"cve":[{"id":"CVE-2021-34641","title":"SEOPress \u003c= 5.0.0 – 5.0.3 Authenticated Stored Cross-Site Scripting","description":"The SEOPress WordPress plugin is vulnerable to Stored Cross-Site-Scripting via the processPut function found in the ~/src/Actions/Api/TitleDescriptionMeta.php file which allows authenticated attackers to inject arbitrary web scripts, in versions 5.0.0 - 5.0.3.","status":"published","published":"2021-08-16T18:47:57.481Z","modified":"2025-05-05T18:16:21.403Z","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":"2026-11-02T14:33:11.59359Z"}],"euvd":[{"id":"EUVD-2021-21291","description":"The SEOPress WordPress plugin is vulnerable to Stored Cross-Site-Scripting via the processPut function found in the ~/src/Actions/Api/TitleDescriptionMeta.php file which allows authenticated attackers to inject arbitrary web scripts, in versions 5.0.0 - 5.0.3.","status":"published","published":"2021-08-16T18:47:57Z","modified":"2025-05-05T18:16:21Z","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"}],"updated_at":"2026-11-02T20:32:55.636374Z"}],"ghsa":[{"id":"GHSA-j6v6-784c-hpw9","title":"The SEOPress WordPress plugin is vulnerable to Stored Cross-Site-Scripting via the processPut...","description":"The SEOPress WordPress plugin is vulnerable to Stored Cross-Site-Scripting via the processPut function found in the ~/src/Actions/Api/TitleDescriptionMeta.php file which allows authenticated attackers to inject arbitrary web scripts, in versions 5.0.0 - 5.0.3.","status":"published","published":"2022-05-24T19:11:13Z","modified":"2023-01-30T05:01:34Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:26.483285Z"}],"nvd":[{"id":"CVE-2021-34641","description":"The SEOPress WordPress plugin is vulnerable to Stored Cross-Site-Scripting via the processPut function found in the ~/src/Actions/Api/TitleDescriptionMeta.php file which allows authenticated attackers to inject arbitrary web scripts, in versions 5.0.0 - 5.0.3.","status":"published","published":"2021-08-16T19:15:14.317Z","modified":"2026-06-17T03:56:17.093Z","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"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:56.943671Z"}]}}