CVE-2023-29400

HIGH

Go Templates - Cross-Site Scripting via Unquoted HTML Attributes

Title source: manual
STIX 2.1

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.

Scores

CVSS v3 7.3
EPSS 0.0005
EPSS Percentile 15.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-74 CWE-94
Status published
Products (1)
golang/go < 1.19.9
Published May 11, 2023
Tracked Since Feb 18, 2026