| id: GO-2023-1753 |
| modules: |
| - module: std |
| versions: |
| - fixed: 1.19.9 |
| - introduced: 1.20.0-0 |
| fixed: 1.20.4 |
| vulnerable_at: 1.20.3 |
| packages: |
| - package: html/template |
| symbols: |
| - appendCmd |
| - htmlNospaceEscaper |
| derived_symbols: |
| - Template.Execute |
| - Template.ExecuteTemplate |
| summary: Improper handling of empty HTML attributes in html/template |
| 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. |
| credits: |
| - Juho Nurminen of Mattermost |
| references: |
| - report: https://go.dev/issue/59722 |
| - fix: https://go.dev/cl/491617 |
| - web: https://groups.google.com/g/golang-announce/c/MEb0UyuSMsU |
| cve_metadata: |
| id: CVE-2023-29400 |
| cwe: 'CWE-74: Improper input validation' |
