{"id":"CVE-2021-22872","aliases":["EUVD-2021-10007","GHSA-xqrq-qgmp-x7x4"],"status":"published","title":"Revive Adserver before 5.1.0 is vulnerable to a reflected cross-site scripting (XSS)...","description":"Revive Adserver before 5.1.0 is vulnerable to a reflected cross-site scripting (XSS) vulnerability via the publicly accessible afr.php delivery script. While this issue was previously addressed in modern browsers as CVE-2020-8115, some older browsers (e.g., IE10) that do not automatically URL encode parameters were still vulnerable.","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":"2026-11-10","score":0.03489,"percentile":0.89238,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-01-21T19:15:02Z","modified":"2026-10-20T10:54:30Z","products":[{"vendor":"revive-adserver","product":"revive_adserver"}],"references":[{"url":"https://www.revive-adserver.com/security/revive-sa-2021-001/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://hackerone.com/reports/986365","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://github.com/revive-adserver/revive-adserver/commit/00fdb8d0e","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/revive-adserver/revive-adserver/commit/1dbcf7d50","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"http://seclists.org/fulldisclosure/2021/Jan/60","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Broken Link","Mailing List","Third Party Advisory","advisory"]},{"url":"http://packetstormsecurity.com/files/161070/Revive-Adserver-5.0.5-Cross-Site-Scripting-Open-Redirect.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22872"},{"url":"https://github.com/advisories/GHSA-xqrq-qgmp-x7x4"}],"sources":{"cve":[{"id":"CVE-2021-22872","description":"Revive Adserver before 5.1.0 is vulnerable to a reflected cross-site scripting (XSS) vulnerability via the publicly accessible afr.php delivery script. While this issue was previously addressed in modern browsers as CVE-2020-8115, some older browsers (e.g., IE10) that do not automatically URL encode parameters were still vulnerable.","status":"published","published":"2021-01-21T19:15:02Z","modified":"2024-08-03T18:51:07.503Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:57.701381Z"}],"euvd":[{"id":"EUVD-2021-10007","description":"Revive Adserver before 5.1.0 is vulnerable to a reflected cross-site scripting (XSS) vulnerability via the publicly accessible afr.php delivery script. While this issue was previously addressed in modern browsers as CVE-2020-8115, some older browsers (e.g., IE10) that do not automatically URL encode parameters were still vulnerable.","status":"published","published":"2021-01-21T19:15:02Z","modified":"2024-08-03T18:51:07Z","updated_at":"2026-11-03T03:25:01.606931Z"}],"ghsa":[{"id":"GHSA-xqrq-qgmp-x7x4","title":"Revive Adserver before 5.1.0 is vulnerable to a reflected cross-site scripting (XSS)...","description":"Revive Adserver before 5.1.0 is vulnerable to a reflected cross-site scripting (XSS) vulnerability via the publicly accessible afr.php delivery script. While this issue was previously addressed in modern browsers as CVE-2020-8115, some older browsers (e.g., IE10) that do not automatically URL encode parameters were still vulnerable.","status":"published","published":"2022-05-24T17:40:20Z","modified":"2023-01-29T05:05:32Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:45:48.864861Z"}],"nvd":[{"id":"CVE-2021-22872","description":"Revive Adserver before 5.1.0 is vulnerable to a reflected cross-site scripting (XSS) vulnerability via the publicly accessible afr.php delivery script. While this issue was previously addressed in modern browsers as CVE-2020-8115, some older browsers (e.g., IE10) that do not automatically URL encode parameters were still vulnerable.","status":"published","published":"2021-01-26T18:16:19.1Z","modified":"2026-06-17T03:37:55.24Z","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","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":"2026-11-02T14:06:49.660551Z"}],"osv":[{"id":"CVE-2021-22872","description":"Revive Adserver before 5.1.0 is vulnerable to a reflected cross-site scripting (XSS) vulnerability via the publicly accessible afr.php delivery script. While this issue was previously addressed in modern browsers as CVE-2020-8115, some older browsers (e.g., IE10) that do not automatically URL encode parameters were still vulnerable.","status":"published","published":"2021-01-26T18:16:19.1Z","modified":"2026-10-20T10:54:30.98547529Z","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"}],"updated_at":"2026-11-02T15:44:18.367807Z"}]}}