SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2013-4567

Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting (XSS) attacks via a \b (backspace) character in CSS.

MEDIUM 4.3EPSS 1.35%

Does this matter?

Lower severity and a low EPSS score (1.35%). Track it; it rarely justifies an emergency change on its own.

Description

Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting (XSS) attacks via a \b (backspace) character in CSS.

CVSS 2.0
4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
EPSS
1.35% probability · 70th percentile
CISA KEV
Not listed
Affected
mediawiki/mediawiki
Source
secalert@redhat.com

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