CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. ckeditor5 and ckeditor5-clipboard versions 46.0.0 through 46.0.2 and 44.2.0 through 45.2.1 contain a Cross-Site Scripting (XSS) vulnerability. Ability to exploit could be triggered by a specific user action (leading to unauthorized JavaScript code execution) if the attacker managed to insert a malicious content into the editor, which might happen with a very specific editor configuration. This vulnerability affects installations where the editor configuration meets one of the following criteria: the HTML embed plugin is enabled, or there is a custom plugin introducing an editable element where view RawElement is enabled. This issue is fixed in versions 45.2.2 and 46.0.3 of both ckeditor5 and ckeditor5-clipboard.
CVE-2025-58064
This low-severity CVE scores 2.3 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 68% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 2.3
- EG Score
- 2.3LOWmedium confidence
- EG Risk
- 11EG Risk 11/100
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity23% × 45%Exploitation0% × 40%Automatability0% × 15% - EPSS PROB
- 0.4%
- EPSS %ILE
- 34th
- KEV
- Not listed
Published
September 4, 2025
Last Modified
April 15, 2026
References (2)
- security-advisories@githubhttps://github.com/ckeditor/ckeditor5/commit/b210e90c6cf84e662ef6c7daf93a92355a961bf2
- security-advisories@githubhttps://github.com/ckeditor/ckeditor5/security/advisories/GHSA-x9gp-vjh6-3wv6
Affected Packages
(2 across 1 ecosystem)
npm(2)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| ckeditor5 | — |
| — |
| @ckeditor/ckeditor5-clipboard | — |
| — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 32× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 205 total refreshes for this CVE.
- 2026-10-10 19:59 UTCEPSS rescore
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- 2026-07-14 06:25 UTCOSV refresh
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Related CVEs(same product + same CWE)
Same product
2 shownnpm:@ckeditor/ckeditor5-clipboard · npm:ckeditor5
Frequently asked(5)
What is CVE-2025-58064?
When was CVE-2025-58064 disclosed?
Is CVE-2025-58064 actively exploited?
What is the CVSS score of CVE-2025-58064?
How do I remediate CVE-2025-58064?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-58064
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