{"id":"CVE-2026-92973","aliases":["DEBIAN-CVE-2026-92973","EUVD-2026-81582","GHSA-98hw-5x94-6hwv","UBUNTU-CVE-2026-92973","openSUSE-SU-2026:11815-1"],"status":"published","title":"ansi2html 1.7.0a0 through 1.9.3 Cross-Site Scripting via OSC 8","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.","severity":{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00393,"percentile":0.33899,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2026-09-17T13:43:17Z","modified":"2026-10-28T20:17:26Z","fixes":[{"ecosystem":"Debian:14","package":"python-ansi2html","fixed_in":["1.9.5-1"],"sources":["osv"]},{"ecosystem":"openSUSE:Tumbleweed","package":"python-ansi2html","fixed_in":["1.9.5-1.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:14","package":"python-ansi2html","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.5-1"}]}],"versions":["1.9.2-1","1.9.2-2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"python-ansi2html","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9.2-2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"python-ansi2html","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9.2-1","1.9.2-2"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"python-ansi2html","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.5-1.1"}]}]}],"products":[{"vendor":"pycontribs","product":"ansi2html"}],"references":[{"url":"https://github.com/pycontribs/ansi2html/commit/89d1c231c60ac52005f3b21bbba551c786c554fc","tags":["patch","fix","report"]},{"url":"https://github.com/pycontribs/ansi2html/blob/v1.9.3/src/ansi2html/converter.py#L345-L349","tags":["technical-description","article"]},{"url":"https://github.com/pycontribs/ansi2html","tags":["product","package"]},{"url":"https://www.vulncheck.com/advisories/ansi2html-1.7-0a0-through-1.9.3-cross-site-scripting-via-osc-8","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92973","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-98hw-5x94-6hwv"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92973.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-92973","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-92973","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-92973","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2026-92973","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-92973","title":"ansi2html 1.7.0a0 through 1.9.3 Cross-Site Scripting via OSC 8","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.","status":"published","published":"2026-09-17T13:43:17.365Z","modified":"2026-09-17T15:38:41.098Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T13:48:13.398044Z"}],"euvd":[{"id":"EUVD-2026-81582","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.","status":"published","published":"2026-09-17T13:43:17Z","modified":"2026-09-17T15:38:41Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-02T17:28:11.273554Z"}],"ghsa":[{"id":"GHSA-98hw-5x94-6hwv","title":"ansi2html versions 1.7.0a0 through 1.9.3 contain a cross-site scripting vulnerability in OSC 8...","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.","status":"published","published":"2026-09-17T15:32:18Z","modified":"2026-09-17T15:32:36Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:12:05.417571Z"}],"nvd":[{"id":"CVE-2026-92973","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.","status":"published","published":"2026-09-17T14:18:03.507Z","modified":"2026-09-23T17:17:44.907Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:49.013904Z"}],"osv":[{"id":"CVE-2026-92973","title":"ansi2html 1.7.0a0 through 1.9.3 Cross-Site Scripting via OSC 8","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.","status":"published","published":"2026-09-17T13:43:17.365Z","modified":"2026-10-28T02:31:10.398718712Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:45:20.588039Z"},{"id":"DEBIAN-CVE-2026-92973","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.","status":"published","published":"2026-09-17T14:18:03.507Z","modified":"2026-09-24T08:47:28.277813406Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"updated_at":"2026-11-02T15:46:06.846102Z"},{"id":"UBUNTU-CVE-2026-92973","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.","status":"published","published":"2026-09-17T14:18:00Z","modified":"2026-10-28T20:17:26.147215791Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"},{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:57:40.980117Z"},{"id":"openSUSE-SU-2026:11815-1","title":"python313-ansi2html-1.9.5-1.1 on GA media","description":"These are all security issues fixed in the python313-ansi2html-1.9.5-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-09-18T00:00:00Z","modified":"2026-09-19T18:23:08.111509254Z","updated_at":"2026-11-02T16:58:39.516824Z"}]}}