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CVE-2026-92973

ansi2html 1.7.0a0 through 1.9.3 Cross-Site Scripting via OSC 8

CVSS 4.0 5.3 MEDIUMCVSS 3.1 6.1 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-92973

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-92973

Published

ansi2html

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "pycontribs",
                    "product": "ansi2html",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:pypi/ansi2html",
                    "versions": [
                        {
                            "version": "1.7.0a0",
                            "lessThan": "1.9.4",
                            "status": "affected",
                            "versionType": "custom"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON