CVE WatchAug 11, 2026

CVE-2026-73161

Affected versions of cti-transmute improperly handle conversion-table values passed through the search highlighting feature. The highlight()

CVSS

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No CVSS

EPSS

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KEV

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Exploit Today

0-100

Published: Aug 11, 2026 · Last modified: Aug 11, 2026 · CWE-79 · CWE-116

EPSS · 30d

Not enough EPSS history yet.

Technical description

Affected versions of cti-transmute improperly handle conversion-table values passed through the search highlighting feature. The highlight() function previously returned the underlying text directly when no search query was supplied, or performed a regex replacement that inserted <mark> tags without first escaping the original content. Because the resulting value is used by an HTML-rendering sink, malicious markup contained in conversion data could be interpreted as HTML rather than displayed as text. The fix introduces a shared highlightMatches() helper that first converts special characters such as <, >, &, and quotes into HTML entities. Only after escaping does the code insert the application-controlled <mark> element used for search highlighting.

Official references

github.comhttps://github.com/MISP/cti-transmute/commit/ac495641ef3ca927676a73ba8f1bcdfd952413df

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