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CVE-2023-29400 is an HTML attribute-injection vulnerability in Go's html/template package. It occurs when a template action is placed in an unquoted HTML attribute value, such as attr={{.}}, and is evaluated with empty input. HTML normalization can then cause the rendered output to be parsed differently than intended, permitting arbitrary attributes to be injected into an HTML tag.
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An improper handling issue for empty HTML attributes in Go html/template.
An improper handling of empty HTML attributes in Go's html/template package.
An improper handling issue for empty HTML attributes in Go html/template, addressed in the Migration Toolkit for Containers 1.7.11 update.
Unknown
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.