CVE-2021-22889 Information

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 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Reference

https://hackerone.com/reports/1097217 https://github.com/revive-adserver/revive-adserver/commit/2f868414 https://www.revive-adserver.com/security/revive-sa-2021-003/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1