Security readout for executives and security teams
Plain-English summary
CVE-2022-27911 is an information disclosure issue in Joomla! CMS 4.2.0. It can expose server file paths, which usually does not grant access by itself but can help attackers understand hosting layout and plan follow-on attacks.
Executive priority
Treat this as a routine but real information disclosure exposure. Prioritize internet-facing Joomla 4.2.0 sites, especially where the same host carries sensitive applications or weak operational hardening.
Technical view
Joomla! reports multiple full path disclosures in version 4.2.0 caused by missing '_JEXEC or die' checks after PSR12-related changes. The source bundle does not provide CVSS, CWE, request details, or confirmed fixed versions.
Likely exposure
Exposure is limited to Joomla! CMS 4.2.0 deployments. The bundle does not identify other Joomla versions, extensions, hosting environments, or configurations as affected.
Exploitation context
The bundle and KEV status do not show active exploitation. The practical risk is reconnaissance value: leaked filesystem paths can improve attacker understanding but are not described as enabling direct compromise.
Researcher notes
Evidence is sparse: no CVSS vector, CWE, exploit detail, or fix version is included in the bundle. Keep findings source-bound and avoid expanding affected scope beyond Joomla! CMS 4.2.0 unless vendor data confirms it.
Mitigation direction
- Inventory Joomla! CMS installations and identify any running version 4.2.0.
- Check the Joomla! vendor advisory for the official corrected release or mitigation.
- Upgrade affected Joomla deployments according to vendor guidance.
- Review error-display settings to reduce unintended path disclosure where operationally appropriate.
Validation and detection
- Confirm the exact Joomla! CMS version on each internet-facing site.
- Verify remediation status against the Joomla! security advisory.
- Review web logs for unusual requests targeting Joomla core files.
- Check application error pages for unintended filesystem path exposure.
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-2022-27911 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://developer.joomla.org/security-centre/884-20220801-core-multiple-full-path-disclosures-because-of-missing-jexec-or-die-check.htmlCVE reference · x_refsource_MISC, vendor-advisory
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.