Description
A cross-site scripting (XSS) vulnerability in TinyMCE 5.2.1 and earlier allows remote attackers to inject arbitrary web script when configured in classic editing mode.
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.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | tinymce | No fix yet | — |
| Ubuntu 18.04 LTS | tinymce | No fix yet | — |
| Ubuntu 16.04 LTS | tinymce | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| npm | tinymce | < 4.9.11 | 4.9.11 | GHSA-vrv8-v4w8-f95h |
| npm | tinymce | >= 5.0.0, < 5.4.1 | 5.4.1 | GHSA-vrv8-v4w8-f95h |