{"id":"CVE-2026-0858","aliases":["GHSA-hrvf-g648-rf3m"],"url":"https://o3.security/vulnerability/CVE-2026-0858","summary":"PlantUML is vulnerable to Stored XSS due to insufficient sanitization of interactive attributes in GraphViz diagrams","details":"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.","published":"2026-01-16T05:00:06.808Z","modified":"2026-08-12T15:31:09.424420Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"net.sourceforge.plantuml:plantuml","fixedVersion":"1.2026.0"}],"fix":{"url":"https://github.com/plantuml/plantuml/commit/6826315db092d2e432aeab1a0894e08017c6e4bd","label":"plantuml/plantuml@6826315"},"references":[{"type":"WEB","url":"https://github.com/plantuml/plantuml/releases/tag/v1.2026.0"},{"type":"WEB","url":"https://security.snyk.io/vuln/SNYK-JAVA-NETSOURCEFORGEPLANTUML-14552230"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/0xxx/CVE-2026-0858.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0858"},{"type":"FIX","url":"https://github.com/plantuml/plantuml/commit/6826315db092d2e432aeab1a0894e08017c6e4bd"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T15:31:09.424420Z"}}