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Fencer Vulns
medium 6.1

CVE-2019-19935 json

DOM-based cross-site scripting in Froala Editor

published 2020-07-07 6 y ago modified 2026-06-17 4 mo ago also GHSA-h236-g5gh-vq6c , EUVD-2022-1026

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

Froala Editor before 3.2.3 allows XSS.

Patch / fix

  • npm froala-editor 3.2.3
  • froala froala_editor 3.2.3

Exploit prediction

1.85% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • packetstormsecurity.com http://packetstormsecurity.com/files/158300/Froala-WYSIWYG-HTML-Editor-3.1.1-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified
  • blog.compass-security.com https://blog.compass-security.com/2020/07/yet-another-froala-0-day-xss/ referenced PoC, tagged "exploit" by a source, unverified
  • compass-security.com https://compass-security.com/fileadmin/Datein/Research/Advisories/CSNC-2020-004_DOM_XSS_in_Froala_WYSIWYG_HTML_Editor.txt referenced PoC, tagged "exploit" by a source, unverified

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
<3.2.3
3.2.3

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns 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.