CVE-2021-28114
MediumCross-site Scripting in Froala WYSIWYG Editor
Published Jul 19, 2021 · Updated Jul 8, 2026 · Also known as GHSA-rr6v-h7m8-wc9f
Key Facts
Patch immediately- CVE-2021-28114 is a medium-severity vulnerability (CVSS 5.4 v3.1) affecting Froala Editor, froala/wysiwyg-editor (composer).
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 52% probability of exploitation in the next 30 days.
- Fixed versions are available, including Froala Editor 3.2.7, froala/wysiwyg-editor 3.2.7.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
5.4
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS (30-day exploit likelihood)
52%
Higher than 98.9% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
Get the full CVE-2021-28114 brief as a PDF
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Description
Froala WYSIWYG Editor 3.2.6-1 is affected by XSS due to a namespace confusion during parsing.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Froala EditorFroala | See advisory | 3.2.7 |
| froala/wysiwyg-editorcomposer | See advisory | 3.2.7 |
Patched Releases
Froala Editor
3.2.7
froala/wysiwyg-editor
3.2.7
Timeline
Publicly disclosed
Jul 19, 2021
Last updated
Jul 8, 2026
Weakness Type
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
- advisoryhttps://froala.com/wysiwyg-editor/
- advisoryGHSA advisory
- advisoryhttps://labs.bishopfox.com/advisories
- advisoryhttps://labs.bishopfox.com/advisories/froala-editor-v3.2.6
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2021-28114
FAQ
Common Questions.
Froala WYSIWYG Editor 3.2.6-1 is affected by XSS due to a namespace confusion during parsing.
Affected: Froala Editor; froala/wysiwyg-editor (composer). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Froala Editor 3.2.7, froala/wysiwyg-editor 3.2.7.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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