{"id":"CVE-2021-25038","aliases":["EUVD-2021-11950","GHSA-94m2-cmhh-rr95"],"status":"published","title":"Multisite User Sync/Unsync \u003c 2.1.2 - Reflected Cross-Site Scripting","description":"The WordPress Multisite User Sync/Unsync WordPress plugin before 2.1.2 does not sanitise and escape the wmus_source_blog and wmus_record_per_page parameters before outputting them back in attributes, leading to Reflected Cross-Site Scripting issues","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.008,"percentile":0.57034,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2022-03-07T08:16:15Z","modified":"2026-06-17T03:41:21Z","products":[{"vendor":"obtaininfotech","product":"multisite_user_sync\\/unsync"},{"vendor":"unknown","product":"wordpress multisite user sync/unsync"}],"references":[{"url":"https://wpscan.com/vulnerability/72ccdcb9-3d24-41d7-b9fa-c8bd73d30aa6","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25038"},{"url":"https://github.com/advisories/GHSA-94m2-cmhh-rr95"}],"sources":{"cve":[{"id":"CVE-2021-25038","title":"Multisite User Sync/Unsync \u003c 2.1.2 - Reflected Cross-Site Scripting","description":"The WordPress Multisite User Sync/Unsync WordPress plugin before 2.1.2 does not sanitise and escape the wmus_source_blog and wmus_record_per_page parameters before outputting them back in attributes, leading to Reflected Cross-Site Scripting issues","status":"published","published":"2022-03-07T08:16:15Z","modified":"2024-08-03T19:49:14.542Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:59.802172Z"}],"euvd":[{"id":"EUVD-2021-11950","description":"The WordPress Multisite User Sync/Unsync WordPress plugin before 2.1.2 does not sanitise and escape the wmus_source_blog and wmus_record_per_page parameters before outputting them back in attributes, leading to Reflected Cross-Site Scripting issues","status":"published","published":"2022-03-07T08:16:15Z","modified":"2024-08-03T19:49:14Z","updated_at":"2026-11-03T03:24:54.862767Z"}],"ghsa":[{"id":"GHSA-94m2-cmhh-rr95","title":"The WordPress Multisite User Sync/Unsync WordPress plugin before 2.1.2 does not sanitise and...","description":"The WordPress Multisite User Sync/Unsync WordPress plugin before 2.1.2 does not sanitise and escape the wmus_source_blog and wmus_record_per_page parameters before outputting them back in attributes, leading to Reflected Cross-Site Scripting issues","status":"published","published":"2022-03-08T00:00:30Z","modified":"2023-02-03T05:06:24Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:53:53.812094Z"}],"nvd":[{"id":"CVE-2021-25038","description":"The WordPress Multisite User Sync/Unsync WordPress plugin before 2.1.2 does not sanitise and escape the wmus_source_blog and wmus_record_per_page parameters before outputting them back in attributes, leading to Reflected Cross-Site Scripting issues","status":"published","published":"2022-03-07T09:15:08.59Z","modified":"2026-06-17T03:41:21.323Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:07:05.198719Z"}]}}