Vulnerability CVE-2021-22872
Published: 2021-01-26

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.

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Revive-adserver -> Revive adserver 

 References:
http://packetstormsecurity.com/files/161070/Revive-Adserver-5.0.5-Cross-Site-Scripting-Open-Redirect.html
http://seclists.org/fulldisclosure/2021/Jan/60
https://github.com/revive-adserver/revive-adserver/commit/00fdb8d0e
https://github.com/revive-adserver/revive-adserver/commit/1dbcf7d50
https://hackerone.com/reports/986365
https://www.revive-adserver.com/security/revive-sa-2021-001/
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