{"id":"CVE-2021-36849","aliases":["EUVD-2021-23425","GHSA-h6g6-h7qh-75h9"],"status":"published","title":"WordPress Social Media Share Buttons plugin \u003c= 3.8.1 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability","description":"Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in René Hermenau's Social Media Share Buttons plugin \u003c= 3.8.1 at WordPress.","severity":{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00522,"percentile":0.4466,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2022-07-20T18:35:29Z","modified":"2026-06-17T03:59:31Z","products":[{"vendor":"rené hermenau","product":"social media share buttons | mashshare (wordpress plugin)"},{"vendor":"social_media_share_buttons_project","product":"social_media_share_buttons"}],"references":[{"url":"https://patchstack.com/database/vulnerability/mashsharer/wordpress-social-media-share-buttons-plugin-3-8-1-authenticated-stored-cross-site-scripting-xss-vulnerability","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://wordpress.org/plugins/mashsharer/#developers","tags":["x_refsource_CONFIRM","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36849"},{"url":"https://github.com/advisories/GHSA-h6g6-h7qh-75h9"}],"sources":{"cve":[{"id":"CVE-2021-36849","title":"WordPress Social Media Share Buttons plugin \u003c= 3.8.1 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability","description":"Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in René Hermenau's Social Media Share Buttons plugin \u003c= 3.8.1 at WordPress.","status":"published","published":"2022-07-20T18:35:29.806Z","modified":"2026-04-28T16:07:34.402Z","cvss":[{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:05.989686Z"}],"euvd":[{"id":"EUVD-2021-23425","description":"Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in René Hermenau's Social Media Share Buttons plugin \u003c= 3.8.1 at WordPress.","status":"published","published":"2022-07-20T18:35:29Z","modified":"2026-04-28T16:07:34Z","cvss":[{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T19:24:16.393887Z"}],"ghsa":[{"id":"GHSA-h6g6-h7qh-75h9","title":"Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in René Hermenau's Social...","description":"Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in René Hermenau's Social Media Share Buttons plugin \u003c= 3.8.1 at WordPress.","status":"published","published":"2022-07-21T00:00:26Z","modified":"2023-01-27T05:07:08Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:43:03.960564Z"}],"nvd":[{"id":"CVE-2021-36849","description":"Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in René Hermenau's Social Media Share Buttons plugin \u003c= 3.8.1 at WordPress.","status":"published","published":"2022-07-20T19:15:08.263Z","modified":"2026-06-17T03:59:31.02Z","cvss":[{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:07:06.501652Z"}]}}