Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Revive-Adserver | Revive Adserver | < 5.2.0 |
Related Weaknesses (CWE)
References
- https://github.com/revive-adserver/revive-adserver/commit/2f868414PatchThird Party Advisory
- https://hackerone.com/reports/1097217ExploitThird Party Advisory
- https://www.revive-adserver.com/security/revive-sa-2021-003/Vendor Advisory
- https://github.com/revive-adserver/revive-adserver/commit/2f868414PatchThird Party Advisory
- https://hackerone.com/reports/1097217ExploitThird Party Advisory
- https://www.revive-adserver.com/security/revive-sa-2021-003/Vendor Advisory
FAQ
What is CVE-2021-22889?
CVE-2021-22889 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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 atta...
How severe is CVE-2021-22889?
CVE-2021-22889 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-22889?
Check the references section above for vendor advisories and patch information. Affected products include: Revive-Adserver Revive Adserver.