CVE-2026-39826
Escaper bypass leads to XSS in html/template
- State
- Published
- Severity
- 6.1 Medium
- Published
- May 7, 2026
- Updated
- May 8, 2026
- Reserved
- Apr 7, 2026
Description
If a trusted template author were to write a <script> tag containing an empty 'type' attribute or a 'type' attribute with an ASCII whitespace, the execution of the template would incorrectly escape any data passed into the <script> block.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.1 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N | CISA-ADP |
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
html/templateGo standard library |
|
References
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