Security readout for executives and security teams
Plain-English summary
This CVE describes cross-site scripting in MODX Revolution through v2.7.0-pl. A crafted document resource field, such as a page title, may be mishandled in manager workflows and logs. The main business risk is script execution in the administrative interface, potentially affecting privileged users.
Executive priority
Prioritize if MODX powers public or business-critical sites and non-admin users can edit content. Otherwise handle in normal web application patch cycles.
Technical view
The reported issue is XSS triggered through document resource data, including pagetitle, during Update, Quick Edit, or manager log viewing. The source bundle does not provide CVSS, CWE, exploit status, or a confirmed fixed version. Treat impact as manager-session risk until MODX guidance confirms scope.
Likely exposure
Exposure is most likely for MODX Revolution deployments at or before v2.7.0-pl where users can create or edit resources and managers review updates or logs.
Exploitation context
The bundle does not show KEV listing or other evidence of active exploitation. The attack appears to require malicious resource content reaching MODX manager views or logs.
Researcher notes
Evidence is sparse: one CVE description and a GitHub issue reference. No CVSS, CWE, patch details, or exploit confirmation are present in the supplied bundle.
Mitigation direction
- Inventory MODX Revolution instances and versions.
- Check MODX issue and vendor guidance for fixed releases or workarounds.
- Restrict manager access to trusted users only.
- Limit resource editing permissions to necessary roles.
- Review and sanitize suspicious resource fields, especially page titles.
Validation and detection
- Confirm whether any deployment runs MODX Revolution v2.7.0-pl or earlier.
- Review manager logs for unusual resource titles or script-like content.
- Test remediation in staging using benign XSS indicators only.
- Verify Update, Quick Edit, and log views safely render resource fields.
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-2018-20756 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/modxcms/revolution/issues/14105CVE 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.
