CVE-2021-30109 json
Cross-site Scripting in Froala Editor
published 2021-04-05 5 y ago modified 2026-07-09 4 mo ago also GHSA-cq6w-w5rj-p9x8 , EUVD-2021-2190
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 68%
- public exploits
- 0
- none known
Summary
Froala Editor 3.2.6 is affected by Cross Site Scripting (XSS). Under certain conditions, a base64 crafted string leads to persistent Cross-site scripting (XSS) vulnerability within the hyperlink creation module.
Exploit prediction
1.22% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| GitHub | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | froala-editor | <=3.2.6 |
no fix listed |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/Hackdwerg/CVE-2021-30109/blob/main/README.md
web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-30109
advisory
-
github.com
/froala/wysiwyg-editor-release
package
-
froala.com
web
Sources
- CVE List CVE-2021-30109
- GitHub Advisory GHSA-cq6w-w5rj-p9x8
- NVD CVE-2021-30109
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