Description
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).
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| plantuml | plantuml/plantuml | unspecified – < 1.2022.4 | 1.2022.4 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | plantuml | 1:1.2020.2+ds-6 | — |
| Debian 13 | plantuml | 1:1.2020.2+ds-6 | — |
| Debian 12 | plantuml | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | plantuml | 1:1.2020.2+ds-3ubuntu1.1 | USN-7353-1 |
| Ubuntu 22.04 LTS | plantuml | 1:1.2020.2+ds-1ubuntu0.1 | USN-7353-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | plantuml | 1:1.2018.13+ds-2ubuntu0.1~esm1 | USN-7353-1 |
| Ubuntu Pro 18.04 LTS | plantuml | 1:1.2017.15-1ubuntu0.1~esm1 | USN-7353-1 |
| Ubuntu Pro 16.04 LTS | plantuml | 8024-2ubuntu0.1~esm1 | USN-7353-1 |
Advisories 1
- USN-7353-1 plantuml vulnerability Ubuntu Security Notices (USN) · Jun 25, 2026