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.

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History

Tue, 11 Aug 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 11 Aug 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Misp
Misp cti-transmute
Vendors & Products Misp
Misp cti-transmute

Tue, 11 Aug 2026 09:15:00 +0000

Type Values Removed Values Added
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.
Title cti-transmute Conversion Table Allows XSS via Unescaped Cell Content During Search Highlighting
Weaknesses CWE-116
CWE-79
References
Metrics cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: CIRCL

Published:

Updated: 2026-08-11T16:51:01.159Z

Reserved: 2026-08-11T09:07:52.502Z

Link: CVE-2026-73161

cve-icon Vulnrichment

Updated: 2026-08-11T16:50:55.932Z

cve-icon NVD

Status : Received

Published: 2026-08-11T09:17:15.163

Modified: 2026-08-11T17:19:17.260

Link: CVE-2026-73161

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-11T10:30:04Z

Weaknesses