Description
TinyMCE versions before 5.6.0 are affected by a stored cross-site scripting vulnerability. An unauthenticated and remote attacker could insert crafted HTML into the editor resulting in arbitrary JavaScript execution in another user's browser.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | TinyMCE | < 5.6.0 | 5.6.0 |
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 | < 5.6.0 | 5.6.0 | GHSA-w7jx-j77m-wp65 |
| NuGet | TinyMCE | < 5.6.0 | 5.6.0 | GHSA-w7jx-j77m-wp65 |
| Packagist | tinymce/tinymce | < 5.6.0 | 5.6.0 | GHSA-w7jx-j77m-wp65 |
References
- GitHub Security Advisory (GHSA-w7jx-j77m-wp65) vendor-advisory
- https://www.npmjs.com/package/tinymce related
- https://www.tiny.cloud/docs/release-notes/release-notes56/#securityfixes related
- GitHub Security Advisory (GHSA-w7jx-j77m-wp65) vendor-advisory
- https://vulncheck.com/advisories/vc-advisory-GHSA-w7jx-j77m-wp65 third-party-advisory