Security readout for executives and security teams
Plain-English summary
Alfresco Enterprise versions before 5.2.5 allowed stored cross-site scripting through uploaded HTML documents. In business terms, malicious content stored in the platform could run script in another user’s browser when viewed, potentially affecting user sessions or data handled through Alfresco.
Executive priority
Schedule remediation for any Alfresco Enterprise instance before 5.2.5. The issue is not KEV-listed in the provided data, but stored XSS in a document platform can create meaningful business risk where many users share and view content.
Technical view
The CVE describes stored XSS in Alfresco Enterprise before 5.2.5 via an uploaded HTML document. The source bundle does not provide CVSS, CWE, privilege requirements, affected configurations beyond version, or vendor remediation details other than the before-5.2.5 boundary.
Likely exposure
Organizations running Alfresco Enterprise earlier than 5.2.5 are the stated exposure group, especially where users can upload and share HTML documents. Exposure details are incomplete for authentication, roles, and default handling of uploaded HTML.
Exploitation context
The bundle lists public researcher references, including a blog and GitHub README. It does not show CISA KEV listing or cited evidence of active exploitation. Treat this as publicly disclosed but not confirmed as actively exploited from the provided sources.
Researcher notes
Key gaps are CVSS, CWE, authentication requirements, affected deployment modes, and vendor advisory specifics. Avoid assuming exploit preconditions beyond uploaded HTML documents. Public references exist, but the provided bundle does not establish active exploitation.
Mitigation direction
- Inventory Alfresco Enterprise versions and identify any instances earlier than 5.2.5.
- Check vendor guidance for the supported fixed release path and configuration recommendations.
- Prioritize upgrading affected Alfresco Enterprise deployments to 5.2.5 or later where applicable.
- Restrict upload and sharing of HTML documents until remediation is verified.
- Review access controls for repositories that allow externally supplied content.
Validation and detection
- Confirm product edition and exact version on each Alfresco deployment.
- Review whether users can upload HTML documents to shared repositories.
- Check audit logs for suspicious uploaded HTML files or unusual document access patterns.
- Validate that upgraded instances no longer match the before-5.2.5 affected range.
- Confirm browser-side protections and content handling policies are documented.
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-2019-19496 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://vipinxsec.blogspot.com/2019/11/alfresco-stored-xss-vulnerability-blind.htmlCVE reference · x_refsource_MISC
- https://github.com/vipinxsec/Alfresco_XSS/blob/master/README.mdCVE reference · x_refsource_MISC
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.