GitHub Advisoryadvisory · Maven

GHSA-hrvf-g648-rf3m PlantUML is vulnerable to Stored XSS due to insufficient sanitization of interactive attributes in GraphViz diagrams

LOW Published 2026-01-16 Modified 2026-01-16 Official page ↗
Aliases
CVE-2026-0858
Ecosystem
Maven
Packages
net.sourceforge.plantuml:plantuml
Severity
Low
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weaknesses
CWE-79
Reviewed
2026-01-16

Affected packages

• Maven net.sourceforge.plantuml:plantuml: < 1.2026.0 → fixed in 1.2026.0

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.

Related

Alias · CVE (1)

  • CVE-2026-0858 Versions of the package net.sourceforge.plantuml:plantuml before 1.2026.0 are vulnerable to Stored XSS due to insufficient sanitization of… vulnerability

Weakness · CWE (1)

  • CWE-79 Improper Neutralization of Input During Web Page Generation weakness

References