Search/CVE-2022-23520
● CVE — Medium

CVE-2022-23520

Vendordebian, rubyonrailsProductdebian linux, rails html sanitizersDiscoveredDec 14, 2022UpdatedNov 3, 2025

rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Prior to version 1.4.4, there is a possible XSS vulnerability with certain configurations of Rails::Html::Sanitizer due to an incomplete fix of CVE-2022-32209. Rails::Html::Sanitizer may allow an attacker to inject content if the application developer has overridden the sanitizer's allowed tags to allow both "select" and "style" elements. Code is only impacted if allowed tags are being overridden. This issue is patched in version 1.4.4. All users overriding the allowed tags to include both "select" and "style" should either upgrade or use this workaround: Remove either "select" or "style" from the overridden allowed tags. NOTE: Code is _not_ impacted if allowed tags are overridden using either the…

CVSS v3.1
6.1 MEDIUM
EPSS
1.19%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Oct 22, 2026
▲ 0.07pp
1.11% → 1.19% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
ScopeCHANGED
ConfidentialityLOW
IntegrityLOW
AvailabilityNONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Connections
3 relationships
Timeline
disclosure → media coverage
Dec 14, 2022
Disclosure — published as a CVE record. · last revised by NVD Nov 3, 2025