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Package Instance

Lookup for vulnerable packages by Package URL.

Purlpkg:npm/%40ckeditor/ckeditor5-real-time-collaboration@44.2.0-alpha.15
Typenpm
Namespace@ckeditor
Nameckeditor5-real-time-collaboration
Version44.2.0-alpha.15
Qualifiers
Subpath
Is_vulnerabletrue
Next_non_vulnerable_version44.2.1
Latest_non_vulnerable_version44.2.1
Affected_by_vulnerabilities
0
url VCID-3htn-j487-3ydn
vulnerability_id VCID-3htn-j487-3ydn
summary 
Cross-site scripting (XSS) in the CKEditor 5 real-time collaboration package
### Impact
During a recent internal audit, we identified a Cross-Site Scripting (XSS) vulnerability in the CKEditor 5 real-time collaboration package. This vulnerability can lead to unauthorized JavaScript code execution and affects user markers, which represent users' positions within the document.

This vulnerability affects only installations with [Real-time collaborative editing](https://ckeditor.com/docs/ckeditor5/latest/features/collaboration/real-time-collaboration/real-time-collaboration.html) enabled.

### Patches
The problem has been recognized and patched. The fix will be available in version 44.2.1 (and above).

### For more information
Email us at [security@cksource.com](mailto:security@cksource.com) if you have any questions or comments about this advisory.
references
0
reference_url https://api.first.org/data/v1/epss?cve=CVE-2025-25299
reference_id
reference_type
scores
0
value 0.00348
scoring_system epss
scoring_elements 0.57327
published_at 2026-04-07T12:55:00Z
1
value 0.00348
scoring_system epss
scoring_elements 0.57376
published_at 2026-04-18T12:55:00Z
2
value 0.00348
scoring_system epss
scoring_elements 0.57381
published_at 2026-04-16T12:55:00Z
3
value 0.00348
scoring_system epss
scoring_elements 0.57355
published_at 2026-04-21T12:55:00Z
4
value 0.00348
scoring_system epss
scoring_elements 0.57375
published_at 2026-04-12T12:55:00Z
5
value 0.00348
scoring_system epss
scoring_elements 0.57395
published_at 2026-04-11T12:55:00Z
6
value 0.00348
scoring_system epss
scoring_elements 0.5738
published_at 2026-04-09T12:55:00Z
7
value 0.00348
scoring_system epss
scoring_elements 0.57378
published_at 2026-04-08T12:55:00Z
8
value 0.00413
scoring_system epss
scoring_elements 0.6147
published_at 2026-04-02T12:55:00Z
9
value 0.00413
scoring_system epss
scoring_elements 0.61498
published_at 2026-04-04T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2025-25299
1
reference_url https://ckeditor.com/docs/ckeditor5/latest/features/collaboration/real-time-collaboration/real-time-collaboration.html
reference_id
reference_type
scores
0
value 6.9
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://ckeditor.com/docs/ckeditor5/latest/features/collaboration/real-time-collaboration/real-time-collaboration.html
2
reference_url https://ckeditor.com/docs/ckeditor5/latest/features/collaboration/real-time-collaboration/real-time-collaboration.html?docId=ee1dca024c9b4e44aef039f99ebe6c664
reference_id
reference_type
scores
0
value 6.9
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://ckeditor.com/docs/ckeditor5/latest/features/collaboration/real-time-collaboration/real-time-collaboration.html?docId=ee1dca024c9b4e44aef039f99ebe6c664
3
reference_url https://github.com/ckeditor/ckeditor5
reference_id
reference_type
scores
0
value 6.9
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/ckeditor/ckeditor5
4
reference_url https://github.com/ckeditor/ckeditor5/releases/tag/v44.2.1
reference_id
reference_type
scores
0
value 6.9
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/ckeditor/ckeditor5/releases/tag/v44.2.1
5
reference_url https://github.com/ckeditor/ckeditor5/security/advisories/GHSA-j3mm-wmfm-mwvh
reference_id
reference_type
scores
0
value MODERATE
scoring_system cvssv3.1_qr
scoring_elements
1
value 6.9
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
2
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/ckeditor/ckeditor5/security/advisories/GHSA-j3mm-wmfm-mwvh
6
reference_url https://nvd.nist.gov/vuln/detail/CVE-2025-25299
reference_id
reference_type
scores
0
value 6.9
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2025-25299
7
reference_url https://github.com/advisories/GHSA-j3mm-wmfm-mwvh
reference_id GHSA-j3mm-wmfm-mwvh
reference_type
scores
0
value MODERATE
scoring_system cvssv3.1_qr
scoring_elements
url https://github.com/advisories/GHSA-j3mm-wmfm-mwvh
fixed_packages
0
url pkg:npm/%40ckeditor/ckeditor5-real-time-collaboration@44.2.1
purl pkg:npm/%40ckeditor/ckeditor5-real-time-collaboration@44.2.1
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:npm/%2540ckeditor/ckeditor5-real-time-collaboration@44.2.1
aliases CVE-2025-25299, GHSA-j3mm-wmfm-mwvh
risk_score 3.1
exploitability 0.5
weighted_severity 6.2
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-3htn-j487-3ydn
Fixing_vulnerabilities
Risk_score3.1
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:npm/%2540ckeditor/ckeditor5-real-time-collaboration@44.2.0-alpha.15