GHSA-779c-7w4p-2c4g json
Silverstripe admin XSS Vulnerability via WYSIWYG editor
published 2y ago modified last yr.
- cvss
- 3.8
- version 3.1, GitHub
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- —
- no score, EPSS covers CVEs only
- public exploits
- 0
- none known
Summary
It is possible for a bad actor with access to the CMS to make use of onmouseover or onmouseout attributes in the WYSIWYG editor to embed malicious javascript.
Patch / fix
- packagist silverstripe/admin 1.0.4, 1.1.1
Is GHSA-779c-7w4p-2c4g in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| GitHub | 3.1 | 3.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | silverstripe/admin | >=1.0.3, <1.0.4 >=1.1.0, <1.1.1 |
1.0.4 1.1.1 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
Sources
- GitHub Advisory GHSA-779c-7w4p-2c4g
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.