Security readout for executives and security teams
Plain-English summary
CVE-2018-11093 is an XSS issue in the CKEditor 5 Link package before 10.0.1. A malicious link href could cause browser script execution where affected editor content is processed or displayed. Business urgency depends on whether the vulnerable package is used in externally influenced content workflows.
Executive priority
Treat as a targeted dependency remediation item. Prioritize internet-facing applications, multi-tenant authoring systems, admin consoles, and workflows where untrusted users can submit rich text viewed by staff or customers.
Technical view
The CVE describes cross-site scripting in CKEditor 5 Link before 10.0.1 through crafted href attributes on anchor elements. The source bundle provides no CVSS, CWE, detailed attack prerequisites, or vendor mitigation text beyond the version boundary and CKEditor release references.
Likely exposure
Exposure is most likely in web applications bundling CKEditor 5 Link versions before 10.0.1, especially where users can create, edit, import, or display rich-text links. The supplied affected-product metadata is incomplete.
Exploitation context
The CVE states remote attackers could inject arbitrary web script through crafted href attributes. The source bundle does not cite public exploitation, and KEV status is false, so active exploitation should not be assumed from these sources.
Researcher notes
Evidence is limited to the CVE description and CKEditor 10.0.1 references. No CVSS vector, CWE mapping, exploit evidence, or detailed patch analysis is included in the supplied bundle. Avoid expanding scope beyond CKEditor 5 Link before 10.0.1.
Mitigation direction
- Inventory CKEditor 5 and @ckeditor/ckeditor5-link versions in deployed applications.
- Upgrade affected CKEditor 5 Link packages to 10.0.1 or later.
- Check CKEditor release notes and changelog for vendor-specific upgrade guidance.
- Review downstream rendering paths that display editor-generated links.
Validation and detection
- Confirm dependency manifests and lockfiles do not reference versions before 10.0.1.
- Inspect bundled frontend assets if dependency metadata is unavailable.
- Verify rich-text link sanitization behavior in a safe staging environment.
- Review tests covering unsafe href handling in anchor elements.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2018-11093 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/ckeditor/ckeditor5-link/blob/master/CHANGELOG.md#1001-2018-05-22CVE reference · x_refsource_CONFIRM
- https://ckeditor.com/blog/CKEditor-5-v10.0.1-released/CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.