{"id":"CVE-2026-0858","aliases":["DEBIAN-CVE-2026-0858","EUVD-2026-2918","GHSA-hrvf-g648-rf3m","UBUNTU-CVE-2026-0858"],"status":"published","title":"PlantUML is vulnerable to Stored XSS due to insufficient sanitization of interactive attributes in GraphViz diagrams","description":"Versions of the package net.sourceforge.plantuml:plantuml before 1.2026.0 are vulnerable to Stored XSS due to insufficient sanitization of interactive attributes in GraphViz diagrams. As a result, a crafted PlantUML diagram can inject malicious JavaScript into generated SVG output, leading to arbitrary script execution in the context of applications that render the SVG.","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N/E:P","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00338,"percentile":0.27449,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2026-01-16T05:00:06Z","modified":"2026-10-28T11:06:46Z","fixes":[{"ecosystem":"Maven","package":"net.sourceforge.plantuml:plantuml","fixed_in":["1.2026.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"net.sourceforge.plantuml:plantuml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2026.0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"plantuml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.2020.2+ds-3","1:1.2020.2+ds-4","1:1.2020.2+ds-5","1:1.2020.2+ds-6","1:1.2026.2+ds-1","1:1.2026.2+ds-2","1:1.2026.2+ds-3"]},{"source":"osv","ecosystem":"Debian:13","package":"plantuml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.2020.2+ds-6","1:1.2026.2+ds-1","1:1.2026.2+ds-2","1:1.2026.2+ds-3"]},{"source":"osv","ecosystem":"Debian:14","package":"plantuml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.2020.2+ds-6","1:1.2026.2+ds-1","1:1.2026.2+ds-2","1:1.2026.2+ds-3"]},{"source":"osv","ecosystem":"Maven","package":"net.sourceforge.plantuml:plantuml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2026.0"}]}],"versions":["1.2017.12","1.2017.13","1.2017.14","1.2017.15","1.2017.16","1.2017.18","1.2017.19","1.2017.20","1.2018.0","1.2018.1","1.2018.10","1.2018.11","1.2018.12","1.2018.13","1.2018.14","1.2018.2","1.2018.3","1.2018.4","1.2018.5","1.2018.6","1.2018.7","1.2018.8","1.2018.9","1.2019.0","1.2019.1","1.2019.10","1.2019.11","1.2019.12","1.2019.13","1.2019.2","1.2019.3","1.2019.4","1.2019.5","1.2019.6","1.2019.7","1.2019.8","1.2019.9","1.2020.0","1.2020.1","1.2020.10","1.2020.11","1.2020.12","1.2020.13","1.2020.14","1.2020.15","1.2020.16","1.2020.17","1.2020.18","1.2020.19","1.2020.2","1.2020.20","1.2020.21","1.2020.22","1.2020.23","1.2020.24","1.2020.25","1.2020.26","1.2020.3","1.2020.4","1.2020.6","1.2020.7","1.2020.8","1.2020.9","1.2021.0","1.2021.1","1.2021.10","1.2021.12","1.2021.13","1.2021.14","1.2021.15","1.2021.16","1.2021.2","1.2021.3","1.2021.4","1.2021.5","1.2021.6","1.2021.7","1.2021.8","1.2021.9","1.2022.0","1.2022.1","1.2022.12","1.2022.13","1.2022.14","1.2022.2","1.2022.3","1.2022.4","1.2022.5","1.2022.6","1.2022.7","1.2022.8","1.2023.0","1.2023.1","1.2023.10","1.2023.11","1.2023.12","1.2023.13","1.2023.2","1.2023.4","1.2023.5","1.2023.6","1.2023.7","1.2023.8","1.2023.9","1.2024.1","1.2024.2","1.2024.3","1.2024.4","1.2024.5","1.2024.6","1.2024.7","1.2024.8","1.2025.0","1.2025.10","1.2025.2","1.2025.3","1.2025.4","1.2025.7","1.2025.8","1.2025.9"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"plantuml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8024-2","8024-2ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"plantuml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8039-1","1:1.2017.15-1","1:1.2017.15-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"plantuml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.2018.13+ds-2","1:1.2018.13+ds-2ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"plantuml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.2020.2+ds-1","1:1.2020.2+ds-1ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"plantuml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.2020.2+ds-3","1:1.2020.2+ds-3ubuntu1","1:1.2020.2+ds-3ubuntu1.1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"plantuml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.2020.2+ds-6"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"plantuml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.2020.2+ds-6build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"plantuml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.2020.2+ds-6","1:1.2020.2+ds-6build1"]}],"products":[{"vendor":"plantuml","product":"plantuml"}],"references":[{"url":"https://security.snyk.io/vuln/SNYK-JAVA-NETSOURCEFORGEPLANTUML-14552230","tags":["Patch","Vendor Advisory","web","report"]},{"url":"https://github.com/plantuml/plantuml/commit/6826315db092d2e432aeab1a0894e08017c6e4bd","tags":["Patch","fix","web","report"]},{"url":"https://github.com/plantuml/plantuml/releases/tag/v1.2026.0","tags":["Release Notes","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0858","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-hrvf-g648-rf3m"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/0xxx/CVE-2026-0858.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-0858","tags":["advisory"]},{"url":"https://github.com/plantuml/plantuml","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2026-0858","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-0858","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-0858","description":"Versions of the package net.sourceforge.plantuml:plantuml before 1.2026.0 are vulnerable to Stored XSS due to insufficient sanitization of interactive attributes in GraphViz diagrams. As a result, a crafted PlantUML diagram can inject malicious JavaScript into generated SVG output, leading to arbitrary script execution in the context of applications that render the SVG.","status":"published","published":"2026-01-16T05:00:06.808Z","modified":"2026-01-16T14:10:00.485Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N/E:P","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/E:P","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:20:13.587351Z"}],"euvd":[{"id":"EUVD-2026-2918","description":"Versions of the package net.sourceforge.plantuml:plantuml before 1.2026.0 are vulnerable to Stored XSS due to insufficient sanitization of interactive attributes in GraphViz diagrams. As a result, a crafted PlantUML diagram can inject malicious JavaScript into generated SVG output, leading to arbitrary script execution in the context of applications that render the SVG.","status":"published","published":"2026-01-16T05:00:06Z","modified":"2026-01-16T14:10:00Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N/E:P","level":"medium"}],"updated_at":"2026-11-02T19:48:50.882066Z"}],"ghsa":[{"id":"GHSA-hrvf-g648-rf3m","title":"PlantUML is vulnerable to Stored XSS due to insufficient sanitization of interactive attributes in GraphViz diagrams","description":"Versions of the package net.sourceforge.plantuml:plantuml before 1.2026.0 are vulnerable to Stored XSS due to insufficient sanitization of interactive attributes in GraphViz diagrams. As a result, a crafted PlantUML diagram can inject malicious JavaScript into generated SVG output, leading to arbitrary script execution in the context of applications that render the SVG.","status":"published","published":"2026-01-16T06:30:15Z","modified":"2026-01-16T20:45:40Z","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":2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N/E:P","level":"low"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:39:18.564331Z"}],"nvd":[{"id":"CVE-2026-0858","description":"Versions of the package net.sourceforge.plantuml:plantuml before 1.2026.0 are vulnerable to Stored XSS due to insufficient sanitization of interactive attributes in GraphViz diagrams. 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As a result, a crafted PlantUML diagram can inject malicious JavaScript into generated SVG output, leading to arbitrary script execution in the context of applications that render the SVG.","status":"published","published":"2026-01-16T05:00:06.808Z","modified":"2026-10-28T11:06:46.60480213Z","cvss":[{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N/E:P","level":"low"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:53.490346Z"},{"id":"DEBIAN-CVE-2026-0858","description":"Versions of the package net.sourceforge.plantuml:plantuml before 1.2026.0 are vulnerable to Stored XSS due to insufficient sanitization of interactive attributes in GraphViz diagrams. As a result, a crafted PlantUML diagram can inject malicious JavaScript into generated SVG output, leading to arbitrary script execution in the context of applications that render the SVG.","status":"published","published":"2026-01-16T05:16:16.117Z","modified":"2026-10-01T03:00:13.755184419Z","cvss":[{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N/E:P/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":"low"}],"updated_at":"2026-11-02T15:45:48.440897Z"},{"id":"GHSA-hrvf-g648-rf3m","title":"PlantUML is vulnerable to Stored XSS due to insufficient sanitization of interactive attributes in GraphViz diagrams","description":"Versions of the package net.sourceforge.plantuml:plantuml before 1.2026.0 are vulnerable to Stored XSS due to insufficient sanitization of interactive attributes in GraphViz diagrams. 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