---
id: CVE-2026-92973
title: >-
  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
summary: >-
  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 termi…
severity: medium
cvss: 6.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
vendor: pycontribs
product: ansi2html
affected:
  - ansi2html >= 1.7.0a0 < 1.9.4
published: '2026-09-17'
updated: '2026-09-23'
sourceUpdated: '2026-09-23T17:17:44.907'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-92973'
references:
  - url: 'https://github.com/pycontribs/ansi2html'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/pycontribs/ansi2html/blob/v1.9.3/src/ansi2html/converter.py#L345-L349
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/pycontribs/ansi2html/commit/89d1c231c60ac52005f3b21bbba551c786c554fc
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/ansi2html-1.7-0a0-through-1.9.3-cross-site-scripting-via-osc-8
    label: disclosure@vulncheck.com
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-92973.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-92973'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-92973'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-92973'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2536059'
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
epss: 0.00393
epssPercentile: 0.30718
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-17T15:38:31.834465Z'
ingestedAt: '2026-09-17T14:19:30.994Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · Moderate · affected: Red Hat Ansible Automation Platform 2 · no fix planned: Red Hat Ansible Automation Platform 2 · updated 2026-09-18 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-92973.json)