CVE ID :CVE-2026-31873 Published : March 12, 2026, 5:20 p.m. | 40 minutes ago Description :Unhead is a document head and template manager. Prior to 2.1.11, The link.href check in makeTagSafe (safe.ts) uses String.includes(), which is case-sensitive. Browsers treat URI schemes case-insensitively. DATA:text/css,... is the same as data:text/css,... to the browser, but 'DATA:...'.includes('data:') returns false. An attacker can inject arbitrary CSS for UI redressing or data exfiltration via CSS attribute selectors with background-image callbacks. This vulnerability is fixed in 2.1.11. Severity: 0.0 | NA Visit the link for more details, such as CVSS details, affected products, timeline, and more...