Security readout for executives and security teams
Plain-English summary
MODX Revolution Gallery 1.7.0 has an unrestricted file upload weakness. The CVE states a web request can create a file with attacker-controlled filename and content. That can be business-significant for public websites, but the source bundle does not provide CVSS, confirmed exploit activity, or full remediation details.
Executive priority
Treat this as a high-priority website exposure if MODX Gallery 1.7.0 is internet-facing. The issue may let an attacker place arbitrary content on the server, but available evidence does not confirm active exploitation or provide a CVSS score.
Technical view
The issue is CWE-434 in Gallery 1.7.0. User parameters are insufficiently filtered before being passed into the phpthumb class, with the vector identified as /assets/components/gallery/connector.php. The stated impact is creation of a file with custom filename and content.
Likely exposure
Exposure is most likely on MODX Revolution deployments running the Gallery extra version 1.7.0 with the Gallery connector reachable from the web. Sites without this component, or not running the affected version, are not shown as affected by the supplied sources.
Exploitation context
The CVE is not listed as CISA KEV in the bundle, and no supplied source confirms active exploitation. The attack vector is a web request to the Gallery connector, but the bundle does not provide exploit prerequisites, authentication requirements, or payload details.
Researcher notes
The key gaps are severity scoring, authentication context, and exact fixed version guidance. Analysis should stay anchored to Gallery 1.7.0, CWE-434, phpthumb parameter filtering, and the connector.php request path unless vendor sources add more detail.
Mitigation direction
- Inventory MODX Revolution sites for Gallery version 1.7.0.
- Restrict public access to Gallery connector endpoints where operationally safe.
- Review MODX/Gallery vendor advisories for the supported upgrade or fix path.
- Check uploaded media directories for unexpected executable or script-like files.
- Prioritize remediation on internet-facing MODX sites.
Validation and detection
- Confirm whether Gallery 1.7.0 is installed on each MODX instance.
- Check whether /assets/components/gallery/connector.php is reachable externally.
- Review web server logs for unusual requests to the Gallery connector.
- Inspect upload directories for attacker-controlled filenames or unexpected content.
- Document compensating controls if immediate upgrade is unavailable.
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.
CWE-434: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2019-1010123 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://modx.pro/security/15912#comment-99640CVE reference · x_refsource_MISC
- https://modx.today/posts/2018/07/critical-security-vulnerability-in-gallery-1.7.1CVE 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.
Unrestricted Upload of File with Dangerous Type
Unrestricted Upload of File with Dangerous Type represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.