Medium, CVSS 6.1MavenPublished
jte's HTML templates containing Javascript template strings are subject to XSS
CVE-2025-23026 · GHSA-vh22-6c6h-rm8q
- Affected
- Maven gg.jte:jte <= 3.1.15
- Fixed in
- 3.1.16· Vendor fix available
- Issue
- Jte HTML templates with script tags or script attributes that include a Javascript template string (backticks) are subject to XSS. Details The javaScriptBlock and javaScriptAttribute methods in the Escape class (source) do not escape backticks, which are used for Javascript template strings. Dollar signs in template strings should also be escaped as well to prevent undesired interpolation. PoC 1. Use the Jte Gradle Plugin with the following code in src/jte/xss.jte: 2. Use the following Java code to demonstrate the XSS vulnerability: Impact HTML templates rendered by Jte's OwaspHtmlTemplateOutput in versions less than or equal to 3.1.15 with script tags or script attributes that contain Javascript template strings (backticks) are vulnerable.
Recommended action: Upgrade to 3.1.16 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.