rails-html-sanitizer v1.4.4 has been released. This is a security update which addresses multiple CVEs, and users are recommended to upgrade immediately. The release notes are reproduced below, for more information please read the linked GHSAs. --- 1.4.4 / 2022-12-13 - Address inefficient regular expression complexity with certain configurations of Rails::Html::Sanitizer. Fixes CVE-2022-23517. See GHSA-5x79-w82f-gw8w <https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-5x79-w82f-gw8w> for more information. - Address improper sanitization of data URIs. Fixes CVE-2022-23518 and #135. See GHSA-mcvf-2q2m-x72m <https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-mcvf-2q2m-x72m> for more information. - Address possible XSS vulnerability with certain configurations of Rails::Html::Sanitizer. Fixes CVE-2022-23520. See GHSA-rrfc-7g8p-99q8 <https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-rrfc-7g8p-99q8> for more information. - Address possible XSS vulnerability with certain configurations of Rails::Html::Sanitizer. Fixes CVE-2022-23519. See GHSA-9h9g-93gc-623h <https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-9h9g-93gc-623h> for more information.