CVE-2021-28114

Cross-site Scripting in Froala WYSIWYG Editor

5.4 MediumFix available

Froala WYSIWYG Editor 3.2.6-1 is affected by XSS due to a namespace confusion during parsing.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

52.0%Up 51.2 points since Jul 17, 2021

What each source reports

NVD Score used 5.4

Froala WYSIWYG Editor 3.2.6-1 is affected by XSS due to a namespace confusion during parsing.

Record: CVE-2021-28114
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 3.5 LowAV:N/AC:M/Au:S/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Froala WYSIWYG Editor 3.2.6-1 is affected by XSS due to a namespace confusion during parsing.

Record: CVE-2021-28114
Updated: 2026-11-02

EUVDEUVD-2021-1491 No score

Froala WYSIWYG Editor 3.2.6-1 is affected by XSS due to a namespace confusion during parsing.

Record: EUVD-2021-1491
Updated: 2026-11-03

GitHub AdvisoriesGHSA-rr6v-h7m8-wc9f 5.4

Cross-site Scripting in Froala WYSIWYG Editor

Froala WYSIWYG Editor 3.2.6-1 is affected by XSS due to a namespace confusion during parsing.

Record: GHSA-rr6v-h7m8-wc9f
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSV 5.4

Froala WYSIWYG Editor 3.2.6-1 is affected by XSS due to a namespace confusion during parsing.

Record: CVE-2021-28114
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVGHSA-rr6v-h7m8-wc9f 5.4

Cross-site Scripting in Froala WYSIWYG Editor

Froala WYSIWYG Editor 3.2.6-1 is affected by XSS due to a namespace confusion during parsing.

Record: GHSA-rr6v-h7m8-wc9f
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

froala editor

Affected packages

Affected packages
Package	Affected	Fixed
`froala/wysiwyg-editor` Packagist	before 3.2.7	3.2.7
`froala/wysiwyg-editor` Packagist	before 3.2.7, plus listed versions 2.7.1v2.3.5v2.4.0v2.4.0-rc.1v2.4.1 Show 45 moreShow less v2.4.2v2.5.0v2.5.1v2.6.0v2.6.1v2.6.2v2.6.3v2.6.4v2.6.5v2.6.6v2.7.0v2.7.2v2.7.3v2.7.4v2.7.5v2.7.6v2.8.0v2.8.1v2.8.2v2.8.3v2.8.4v2.8.5v2.9.0v2.9.1v2.9.2v2.9.3v2.9.4v2.9.5v2.9.6v2.9.7v2.9.8v3.0.0v3.0.0-beta.1v3.0.0-beta.2v3.0.0-rc.1v3.0.0-rc.2v3.0.1v3.0.2v3.0.3v3.0.4v3.0.5v3.0.6v3.1.0v3.1.1v3.2.0	3.2.7

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-28114 is a medium vulnerability (CVSS 5.4) in Froala Editor, published July 16, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 52.0%, the 98th percentile. Fixed in froala/wysiwyg-editor 3.2.7.

References

This page doesn't list everything

Left out here: 7 versions. The JSON record has them.