CVE-2026-92973

Medium

Description

ansi2html versions 1.7.0a0 through 1.9.3 contain a cross-site scripting vulnerability in OSC 8 hyperlink handling that fails to validate or escape URL targets. Attackers controlling ANSI text input can inject javascript: schemes or terminate href attributes to execute arbitrary scripts in the context of pages displaying converted output.

SeverityMedium

CVSS6.1

Exploit probability—

ProductPycontribs Ansi2html

PublishedSep 17, 2026

First seenSep 17, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

pycontribs ansi2html1.9.4 or later

Patches

github.com/pycontribs/ansi2html/commit/89d1c231c60ac52005f3b21bbba551c786c554fc

Affected products

Product	Affected versions	Fixed in
pycontribs ansi2html	1.7.0a0 ≤ v < 1.9.4	1.9.4

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