XSS in Plantuml
CVE-2022-1231
XSS via Embedded SVG in SVG Diagram Format in GitHub repository plantuml/plantuml prior to 1.2022.4. Stored XSS in the context of the diagram embedder. Depending on the actual context, this ranges from stealing secrets to account hijacking or even to code execution for example in desktop applications. Web based applications are the ones most affected. Since the SVG format allows clickable links in diagrams, it is commonly used in plugins for web based projects (like the Confluence plugin, etc. see https://plantuml.com/de/running).
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.018 (76.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Plantuml
- Plantuml Plantuml/plantuml — versions unspecified
- Fedoraproject Fedora — versions 35, 36
Weakness classification (CWE)
References
- security@huntr.dev (x_refsource_CONFIRM, Exploit, Third Party Advisory)
- security@huntr.dev (Patch, Third Party Advisory, x_refsource_MISC)
- security@huntr.dev (x_refsource_FEDORA, vendor-advisory)
- security@huntr.dev (x_refsource_FEDORA, vendor-advisory)
Frequently asked questions
- What is CVE-2022-1231?
- CVE-2022-1231 is a medium-severity vulnerability in Plantuml, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-04-15.
- How severe is CVE-2022-1231?
- Medium severity. CVSS v3 base score is 6.1 out of 10.