Vulnerability · Published Jan 21, 2021 · Assigned by hackerone
CVE-2021-22871
Medium 4.8
In plain English
A medium-severity cross-site scripting in https://github.com/revive-adserver/revive-adserver. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.1% (higher than 82% of all known vulnerabilities).
Severity (CVSS NVD)4.8Medium
Exploit odds (30 days)2.1%top 17.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Revive Adserver before 5.1.0 permits any user with a manager account to store possibly malicious content in the URL website property, which is then displayed unsanitized in the affiliate-preview.php tag generation screen, leading to a persistent cross-site scripting (XSS) vulnerability.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | https://github.com/revive-adserver/revive-adserver | Fixed in 5.1.0 |
Weakness: CWE-79
References
- https://www.revive-adserver.com/security/revive-sa-2021-001/ x_refsource_MISC
- https://hackerone.com/reports/819362 x_refsource_MISC
- https://github.com/revive-adserver/revive-adserver/commit/89b88ce26 x_refsource_MISC
- https://github.com/revive-adserver/revive-adserver/commit/62a2a0439 x_refsource_MISC
- 20210122 [REVIVE-SA-2021-001] Revive Adserver Vulnerabilities mailing-list, x_refsource_FULLDISC
- http://packetstormsecurity.com/files/161070/Revive-Adserver-5.0.5-Cross-Site-Scripting-Open-Redirect.html x_refsource_MISC