Vulnerability Description
jte (Java Template Engine) is a secure and lightweight template engine for Java and Kotlin. In affected versions Jte HTML templates with `script` tags or script attributes that include a Javascript template string (backticks) are subject to XSS. The `javaScriptBlock` and `javaScriptAttribute` methods in the `Escape` class 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. 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. Users are advised to upgrade to version 3.1.16 or later to resolve this issue. There are no known workarounds for this vulnerability.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Template_liter
- https://github.com/casid/jte/blob/main/jte-runtime/src/main/java/gg/jte/html/esc
- https://github.com/casid/jte/security/advisories/GHSA-vh22-6c6h-rm8q
- https://github.com/casid/jte/security/advisories/GHSA-vh22-6c6h-rm8q
FAQ
What is CVE-2025-23026?
CVE-2025-23026 is a vulnerability with a CVSS score of 6.1 (MEDIUM). jte (Java Template Engine) is a secure and lightweight template engine for Java and Kotlin. In affected versions Jte HTML templates with `script` tags or script attributes that include a Javascript te...
How severe is CVE-2025-23026?
CVE-2025-23026 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-23026?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.