CVE-2025-57567: A remote code execution (RCE) vulnerability exists in the PluXml CMS theme editor, specifically in the mini...
A remote code execution (RCE) vulnerability exists in the PluXml CMS theme editor, specifically in the minify.php file located under the default theme directory (/themes/defaut/css/minify.php). An authenticated administrator user can overwrite this file with arbitrary PHP code via the admin panel, enabling execution of system commands.
Security readout for executives and security teams
Plain-English summary
This CVE describes administrator-level remote code execution in PluXml CMS through the default theme’s minify.php file. A logged-in administrator can replace that PHP file with arbitrary code, allowing server command execution. The public record does not identify affected versions or a vendor patch.
Executive priority
Treat as urgent for any PluXml site with reachable administration, because successful misuse can lead to full server compromise. Prioritize access reduction and file integrity review while waiting for definitive vendor version and patch information.
Technical view
The reported flaw is in PluXml CMS theme editing for /themes/defaut/css/minify.php. An authenticated administrator can overwrite the file with arbitrary PHP, creating code execution impact across confidentiality, integrity, and availability. CVSS 3.1 is 9.1 with high privileges required and changed scope.
Likely exposure
Exposure is most relevant to internet-facing PluXml deployments where administrator accounts or the admin panel are reachable. The source bundle lists affected vendor, product, and versions as n/a, so version-specific exposure cannot be confirmed from these sources.
Exploitation context
The CVE is not listed as CISA KEV in the provided bundle, and no cited source states active exploitation. Exploitation requires authenticated administrator access, so the main business risk is severe impact after admin credential compromise or insider misuse.
Researcher notes
Evidence is limited to the CVE description and linked disclosure. The record provides no affected version range, CPE, or official fix. High privileges are required, but impact is complete once an administrator can overwrite the PHP file.
Mitigation direction
Check PluXml vendor guidance for patched versions or official mitigations.
Restrict admin panel access to trusted networks or approved administrators.
Review and reduce administrator accounts; enforce MFA where available.
Disable production theme editing if supported by the deployment.
Restore minify.php from a trusted source if unauthorized changes are found.
Add integrity monitoring for theme PHP files.
Validation and detection
Inventory PluXml instances and confirm whether the default theme path exists.
Review /themes/defaut/css/minify.php for unauthorized PHP changes.
Check admin audit logs for theme editor activity.
Confirm admin panel exposure from external networks.
Verify whether affected versions are clarified by vendor or CVE updates.
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-284: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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.
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process 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 code or command execution, so execution technique review may help defensive triage. 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
1ADP providers
2Source links
SSVC decision data
CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: pocAutomatable: noTechnical 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-284 · source CWE mapping
Improper Access Control
Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Improper Control of Generation of Code ('Code Injection')
Improper Control of Generation of Code ('Code Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.