Security readout for executives and security teams
Plain-English summary
CVE-2025-25783 is a critical file-upload flaw reported in Emlog Pro v2.5.3. The source states an attacker can upload a crafted Zip file through admin\plugin.php and execute arbitrary code. That can mean full compromise of the website and its data if the vulnerable component is reachable.
Executive priority
Treat this as urgent for any public Emlog Pro v2.5.3 deployment. The business risk is website takeover, data exposure, and service disruption. Prioritize inventory, exposure reduction, and vendor-guided patching.
Technical view
The record describes CWE-434 in Emlog Pro v2.5.3 admin\plugin.php. CVSS 3.1 is 9.8 with network attack vector, low complexity, no privileges, no user interaction, unchanged scope, and high confidentiality, integrity, and availability impact. The bundle does not include vendor patch details.
Likely exposure
Most likely exposure is internet-facing Emlog Pro v2.5.3 installations where the admin\plugin.php plugin upload component is reachable. The CVE affected-product metadata is incomplete, so asset validation should rely on deployed application version and component presence.
Exploitation context
The provided sources do not show CISA KEV listing or confirmed active exploitation. The reported impact is still severe because arbitrary code execution through file upload can support site takeover when the vulnerable path is accessible.
Researcher notes
Evidence is limited to the CVE description, CVSS vector, CWE-434 classification, Emlog site reference, and a GitHub reference. The affected CPE data is not populated, and the bundle does not identify a fixed version, patch, or exploitation in the wild.
Mitigation direction
- Check official Emlog guidance for fixed versions or vendor mitigations.
- Upgrade affected Emlog Pro v2.5.3 systems if a vendor fix is available.
- Restrict external access to the Emlog admin area until remediated.
- Disable plugin uploads where operationally possible.
- Review uploaded plugins and files for untrusted changes.
Validation and detection
- Inventory Emlog Pro deployments and identify version 2.5.3.
- Confirm whether admin\plugin.php exists and is externally reachable.
- Review web logs for unexpected plugin upload activity.
- Check filesystem changes around plugin directories and recent Zip uploads.
- Validate remediation against vendor guidance after updates.
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 lookupExecution behavior lookup
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.
Open ATT&CK lookupFile access behavior lookup
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.
Open ATT&CK lookupCVE-2025-25783 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
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
SSVC decision data
CVSS vector scores
1 official scoreWe 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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://www.emlog.net/CVE reference, mitre
- https://github.com/Ka7arotto/emlog/blob/main/emlog-3.mdCVE reference, mitre
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.