CVE-2021-22888

Public Exploit

Description

Revive Adserver before v5.2.0 is vulnerable to a reflected XSS vulnerability in the `status` parameter of campaign-zone-zones.php. 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 execute injected JavaScript code.

References

Link	Tags
https://hackerone.com/reports/1097979	third party advisory exploit
https://www.revive-adserver.com/security/revive-sa-2021-003/	vendor advisory
https://github.com/revive-adserver/revive-adserver/commit/f472d890	third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-22888?: CVE-2021-22888 has been scored as a medium severity vulnerability.
How to fix CVE-2021-22888?: To fix CVE-2021-22888, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-22888 being actively exploited in the wild?: It is possible that CVE-2021-22888 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-22888?: CVE-2021-22888 affects n/a https://github.com/revive-adserver/revive-adserver.

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Description

Category

CWE-79 – Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References

Frequently Asked Questions