{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-08-04T06:06:33.649","vulnerabilities":[{"cve":{"id":"CVE-2021-22889","sourceIdentifier":"support@hackerone.com","published":"2021-03-25T20:15:12.617","lastModified":"2026-06-17T03:37:57.420","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Revive Adserver before v5.2.0 is vulnerable to a reflected XSS vulnerability in the `statsBreakdown` parameter of stats.php (and possibly other scripts) due to single quotes not being escaped. An attacker could trick a user with access to the user interface of a Revive Adserver instance into clicking on a specifically crafted URL and pressing a certain key combination to execute injected JavaScript code."},{"lang":"es","value":"Revive Adserver versiones anteriores a v5.2.0, es susceptible a una vulnerabilidad XSS reflejado en el parámetro \"statsBreakdown\" del archivo stats.php (y posiblemente otros scripts) debido a que las comillas simples no se escapan. Un atacante podría engañar a un usuario con acceso a la interfaz de usuario de una instancia de Revive Adserver para que haga clic en una URL diseñada específicamente y presionar una determinada combinación de teclas para ejecutar el código JavaScript inyectado"}],"affected":[{"source":"support@hackerone.com","affectedData":[{"vendor":"n/a","product":"https://github.com/revive-adserver/revive-adserver","versions":[{"version":"Fixed in v5.2.0","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","baseScore":6.1,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":2.7}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:P/A:N","baseScore":4.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}]},"weaknesses":[{"source":"support@hackerone.com","type":"Secondary","description":[{"lang":"en","value":"CWE-79"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-79"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:revive-adserver:revive_adserver:*:*:*:*:*:*:*:*","versionEndExcluding":"5.2.0","matchCriteriaId":"32A65BFA-7E74-4D14-80FD-4D4E5B16CD14"}]}]}],"references":[{"url":"https://github.com/revive-adserver/revive-adserver/commit/2f868414","source":"support@hackerone.com","tags":["Patch","Third Party Advisory"]},{"url":"https://hackerone.com/reports/1097217","source":"support@hackerone.com","tags":["Exploit","Third Party Advisory"]},{"url":"https://www.revive-adserver.com/security/revive-sa-2021-003/","source":"support@hackerone.com","tags":["Vendor Advisory"]},{"url":"https://github.com/revive-adserver/revive-adserver/commit/2f868414","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://hackerone.com/reports/1097217","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"]},{"url":"https://www.revive-adserver.com/security/revive-sa-2021-003/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}