Improper neutralization of data URIs allows XSS in rails-html-sanitizer
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.1epss 0.9%
exploitation probability
0.9%top 45% of all CVEs
observed exploitation
nono source reports it
rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Versions >= 1.0.3, < 1.4.4 are vulnerable to cross-site scripting via data URIs when used in combination with Loofah >= 2.1.0. This issue is patched in version 1.4.4.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Affected products
rails · rails-html-sanitizerReferences
https://github.com/rails/rails-html-sanitizer/issues/135https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-mcvf-2q2m-x72mhttps://hackerone.com/reports/1694173https://lists.debian.org/debian-lts-announce/2023/09/msg00012.htmlhttps://lists.debian.org/debian-lts-announce/2024/09/msg00045.html