CVE-2023-31541: A unrestricted file upload vulnerability was discovered in the ‘Browse and upload images’ feature of the CK...
A unrestricted file upload vulnerability was discovered in the ‘Browse and upload images’ feature of the CKEditor v1.2.3 plugin for Redmine, which allows arbitrary files to be uploaded to the server.
Security readout for executives and security teams
CVE-2023-31541 is a critical unrestricted file upload issue in the CKEditor v1.2.3 plugin for Redmine. The vulnerable image upload feature may allow arbitrary files to be placed on the server. If the server treats uploaded files dangerously, this can threaten confidentiality, integrity, and availability. Organizations running Redmine with the CKEditor plugin, especially version 1.2.3, should assume potential exposure until inventory confirms otherwise. Public affected-product metadata is incomplete in the CVE record. Treat as urgent for any internet-facing Redmine deployment using this plugin. Prioritize inventory first, because the public record lacks complete affected-version and fix details. Mitigation focus: Inventory Redmine instances for the CKEditor plugin and version 1.2.3.; Check the plugin or vendor project for official fixed versions or remediation guidance.; Restrict image upload functionality to trusted users until remediation is confirmed..
Prepared
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
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 · medium confidence lookup
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.
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
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.
1CVSS vectors
3Timeline events
2ADP providers
2Source links
SSVC decision data
CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: pocAutomatable: yesTechnical Impact: total
CVSS vector scores
1 official score
We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-434 · source CWE mapping
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.