CVE-2026-92973

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.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/pycontribs/ansi2html
https://github.com/pycontribs/ansi2html/blob/v1.9.3/src/ansi2html/converter.py#L345-L349
https://github.com/pycontribs/ansi2html/commit/89d1c231c60ac52005f3b21bbba551c786c554fc
https://www.vulncheck.com/advisories/ansi2html-1.7-0a0-through-1.9.3-cross-site-scripting-via-osc-8

Configurations

No configuration.

History

17 Sep 2026, 14:18

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-17 14:18

Updated : 2026-09-17 16:18

NVD link : CVE-2026-92973

Mitre link : CVE-2026-92973

CVE.ORG link : CVE-2026-92973

JSON object : View

Products Affected

No product.

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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