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 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.
Configurations

Configuration 1 (hide)

cpe:2.3:a:plantuml:plantuml:*:*:*:*:*:*:*:*

History

29 Apr 2026, 01:00

Type Values Removed Values Added
Summary
  • (es) Versiones del paquete net.sourceforge.plantuml:plantuml anteriores a 1.2026.0 son vulnerables a XSS Almacenado debido a una sanitización insuficiente de atributos interactivos en diagramas de GraphViz. Como resultado, un diagrama PlantUML manipulado puede inyectar JavaScript malicioso en la salida SVG generada, lo que lleva a la ejecución arbitraria de scripts en el contexto de aplicaciones que renderizan el SVG.

02 Feb 2026, 18:52

Type Values Removed Values Added
References () https://github.com/plantuml/plantuml/commit/6826315db092d2e432aeab1a0894e08017c6e4bd - () https://github.com/plantuml/plantuml/commit/6826315db092d2e432aeab1a0894e08017c6e4bd - Patch
References () https://github.com/plantuml/plantuml/releases/tag/v1.2026.0 - () https://github.com/plantuml/plantuml/releases/tag/v1.2026.0 - Release Notes
References () https://security.snyk.io/vuln/SNYK-JAVA-NETSOURCEFORGEPLANTUML-14552230 - () https://security.snyk.io/vuln/SNYK-JAVA-NETSOURCEFORGEPLANTUML-14552230 - Vendor Advisory, Patch
First Time Plantuml plantuml
Plantuml
CPE cpe:2.3:a:plantuml:plantuml:*:*:*:*:*:*:*:*

16 Jan 2026, 05:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-01-16 05:16

Updated : 2026-04-29 01:00


NVD link : CVE-2026-0858

Mitre link : CVE-2026-0858

CVE.ORG link : CVE-2026-0858


JSON object : View

Products Affected

plantuml

  • plantuml
CWE
CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')