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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-4771

17
FAUCET Score

CVE-2023-4771 is a Cross-Site Scripting (XSS) vulnerability in CKSource CKEditor versions 4.15.1 and earlier, specifically within the /ckeditor/samples/old/ajax.html file. This medium-severity vulnerability (CVSS 6.1) allows an unauthenticated attacker to inject malicious JavaScript, potentially leading to the theft of an authorized user's information. While the vulnerability has a FAUCET Risk Score of 84/100, there is currently no public exploit code available, nor is it listed in CISA's KEV catalog, and it has received no significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0, <= 4.15.1CPE match
cpe:2.3:a:cksource:ckeditor:*:*:*:*:*:wordpress:*:*
<= 4.15.1CPE matchmatch criteria
cpe:2.3:a:cksource:ckeditor:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.88%
Probability of exploitation in next 30 days
EPSS Percentile
55.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0088 is in the 66th percentile among its peer group of 26,221 CVEs.

Social Chatter

No social media mentions found for this CVE.

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 (1)

npmpatch availablevia ghsa
Product: ckeditor4Fixed in: 4.24.0-lts

Vendor Advisories (1)

npmGHSA-wh5w-82f3-wrxhmedium

CKEditor cross-site scripting vulnerability in AJAX sample

Feb 7, 2024

References

incibe.es / en/incibe-cert/notices/aviso/cross-site-scripting-vulnerability-cksource-ckeditor
Third Party Advisory