7.3
High
CVE-2023-29400 Templates containing actions in unquoted HTML attributes (e.g
Description
Templates containing actions in unquoted HTML attributes (e.g. "attr={{.}}") executed with empty input can result in output with unexpected results when parsed due to HTML normalization rules. This may allow injection of arbitrary attributes into tags.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| html/template 1.20 | 1.20.0-0 → < 1.20.4 | 1.20.4 |
| html/template 1.19 | earliest → < 1.19.9 | 1.19.9 |
Other CVEs of html/template
The 14 CVEs of html/template →
CVE-2026-94448
When a JavaScript template literal contains consecutive expressions, the context tracking state was not properly reset…
6.1
Medium
CVE-2026-97030
A trusted template author may have previously written a valid template wherein the use of the 'yield' keyword would…
6.1
Medium
CVE-2026-56858
Previously, pathological inputs could close an unescaped '/' early, allowing for attack-controlled data to inject…
6.1
Medium
CVE-2026-39826
If a trusted template author were to write a tag containing an empty 'type' attribute or a 'type' attribute with an…
6.1
Medium