SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-22871

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…

MEDIUM 4.8EPSS 2.12%

Does this matter?

Lower severity and a low EPSS score (2.12%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1
4.8 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS
2.12% probability · 81th percentile
CISA KEV
Not listed
Weakness
CWE-79
Affected
revive-adserver/revive adserver
Source
support@hackerone.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.