VULNERABILITY INTELLIGENCE

CVE-2021-22889

CVSS score6.1 MEDIUM

EPSS probability30.54%

CISA KEVNot currently listed

Published2021-03-25

Last modified2026-06-17

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

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.

Weakness classification

support@hackerone.com: CWE-79
nvd@nist.gov: CWE-79

Primary references

support@hackerone.com — Patch, Third Party Advisory
support@hackerone.com — Exploit, Third Party Advisory
support@hackerone.com — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory