CVE-2022-24728

Cross-site Scripting in CKEditor4

MEDIUM
5.4
CVSS Score
Published: March 16, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 04:32 AM UTC
10 products affected across 4 vendorsFedoraDrupalPeopleSoft Enterprise PeopleTools

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Severity
MEDIUM5.4
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A vulnerability has been discovered in the core HTML processing module and may affect all plugins used by CKEditor 4 prior to version 4.18.0. The vulnerability allows someone to inject malformed HTML bypassing content sanitization, which could result in executing JavaScript code. This problem has been patched in version 4.18.0. There are currently no known workarounds.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.0 ≤ v < 4.18.0
Affected range stops below 4.18.0, so it looks safe — our inference, not a vendor statement
8.0.0 ≤ v < 9.2.159.3.0 ≤ v < 9.3.8
Affected range stops below 9.2.15, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.3.8, so it looks safe — our inference, not a vendor statement
v < 22.1.1
Affected range stops below 22.1.1, so it looks safe — our inference, not a vendor statement
v < 4.18.0
Affected range stops below 4.18.0, so it looks safe — our inference, not a vendor statement

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUMGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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