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CVE-2023-36477

17
FAUCET Score

CVE-2023-36477 is a cross-site scripting (XSS) vulnerability affecting XWiki Platform and its CKEditor Integration extension, where any user with edit rights can modify pages in the CKEditor space, leading to persistent XSS and potential service disruption. It has a CVSS score of 5.4 (Medium), indicating a network-based attack with low complexity, requiring user interaction, and resulting in low confidentiality and integrity impacts. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.9, < 1.64.9CPE matchmatch criteria
cpe:2.3:a:xwiki:ckeditor_integration:*:*:*:*:*:xwiki:*:*
>= 14.6, < 14.10.6CPE matchmatch criteria
cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*
15.0CPE matchmatch criteria
cpe:2.3:a:xwiki:xwiki:15.0:-:*:*:*:*:*:*
15.0CPE matchmatch criteria
cpe:2.3:a:xwiki:xwiki:15.0:rc1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.0CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.3
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.90%
Probability of exploitation in next 30 days
EPSS Percentile
56.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0090 is in the 91st percentile among its peer group of 15,225 CVEs.

Social Chatter

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

Remediation

Patch Available

Vendor Patches (4)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: org.xwiki.platform:xwiki-platform-ckeditor-uiFixed in: 14.10.6
mavenpatch availablevia ghsa
Product: org.xwiki.contrib:application-ckeditor-uiFixed in: 1.64.9
mavenpatch availablevia ghsa
Product: org.xwiki.platform:xwiki-platform-ckeditor-uiFixed in: 15.1

Vendor Advisories (1)

mavenGHSA-793w-g325-hrw2critical

XWiki Platform vulnerable to persistent Cross-site Scripting through CKEditor Configuration pages

Jun 30, 2023

References

github.com / xwiki/xwiki-platform/commit/9d9d86179457cb8dc48b4491510537878800be4f
Patch
github.com / xwiki/xwiki-platform/security/advisories/GHSA-793w-g325-hrw2
ExploitMitigationPatchVendor Advisory
jira.xwiki.org / browse/CKEDITOR-508
ExploitIssue TrackingVendor Advisory
jira.xwiki.org / browse/XWIKI-20590
ExploitIssue TrackingVendor Advisory