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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2024-45613

19
FAUCET Score

CVE-2024-45613 is a Cross-Site Scripting (XSS) vulnerability in CKEditor 5 versions 40.0.0 through 43.1.0, specifically within the clipboard package. This vulnerability allows for unauthorized JavaScript execution if a malicious content is inserted and the Block Toolbar plugin is enabled alongside either General HTML Support (with unsafe markup allowed) or the HTML Embed plugin. Rated Medium severity (CVSS 6.1), it requires user interaction and specific editor configurations to exploit, leading to potential low impact on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 40.0.0, < 43.1.1CPE matchmatch criteria
cpe:2.3:a:ckeditor:ckeditor5:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

5.1MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
ACTIVE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
NONE
SS Confidentiality
LOW
SS Integrity
LOW
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.48%
Probability of exploitation in next 30 days
EPSS Percentile
38.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0048 is in the 41st percentile among its peer group of 26,234 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

npmpatch availablevia ghsa
Product: ckeditor5Fixed in: 43.1.1
npmpatch availablevia ghsa
Product: @ckeditor/ckeditor5-clipboardFixed in: 43.1.1

Vendor Advisories (1)

npmGHSA-rgg8-g5x8-wr9vmedium

Cross-site scripting (XSS) in the clipboard package

Sep 25, 2024

References

github.com / ckeditor/ckeditor5/releases/tag/v43.1.1
Release Notes
github.com / ckeditor/ckeditor5/security/advisories/GHSA-rgg8-g5x8-wr9v
Third Party Advisory