Jodit has incomplete javascript: scheme normalization in sanitizeHTMLElement href check that allows link XSS

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-62324
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-31 20:16:53 UTC
Updated2026-07-31 20:16:53 UTC
DescriptionJodit Editor is a WYSIWYG editor with a built-in file browser & image editor. Prior to 4.12.31, Jodit's sanitizeHTMLElement method fails to use isDangerousUrl to normalize javascript: href values before checking the scheme, allowing case variants, control-byte prefixes, and embedded tabs or newlines to bypass filtering and execute attacker-controlled script when a victim clicks a stored link rendered by an application. This issue is fixed in version 4.12.31.

Risk And Classification

Primary CVSS: v3.1 5.4 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.001800000 probability, percentile 0.077690000 (date 2026-08-01)

Problem Types: CWE-79 | CWE-83 | CWE-79 CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | CWE-83 CWE-83: Improper Neutralization of Script in Attributes in a Web Page

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
3.1CNADECLARED5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Xdan Jodit affected < 4.12.31 Not specified

References

ReferenceSourceLinkTags
github.com/xdan/jodit/commit/5fba6ef2381d151d7cb8e3c5ad0b9996af0f97b0 [email protected] github.com
github.com/xdan/jodit/releases/tag/4.12.31 [email protected] github.com
github.com/xdan/jodit/security/advisories/GHSA-j839-gqq4-gf9j [email protected] github.com
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