Security readout for executives and security teams
Plain-English summary
This CVE describes a risky file upload flaw in code-projects Computer Laboratory System 1.0. A staff user could upload a malicious PHP file through avatar changes, which may let an attacker take control of the web server. Treat exposed deployments as high priority, especially where staff accounts are broadly issued.
Executive priority
Prioritize review this cycle if the system is deployed. The impact can include server compromise, but the available evidence is narrow and does not confirm active exploitation or an official patch.
Technical view
The issue is CWE-434 unrestricted file upload. The CVE states that authenticated staff can upload PHP backdoor files while modifying personal avatar information, potentially enabling web shell access and server permissions. CVSS v3.1 is 7.3 with network attack vector, low complexity, low privileges, and user interaction required.
Likely exposure
Exposure is limited to organizations running code-projects Computer Laboratory System 1.0, particularly internet-accessible deployments or systems with many staff accounts. The CVE record lists affected vendor/product fields as n/a, so asset matching may require manual application identification.
Exploitation context
The source bundle does not show CISA KEV listing or confirmed active exploitation. The public description claims malicious upload and web shell impact, but it does not provide independent exploit telemetry, patch status, or a fixed version.
Researcher notes
Evidence is limited to the CVE record and a GitHub reference. The CVSS vector requires low privileges and user interaction. Affected CPEs are not provided, and no patch commit, fixed version, or vendor advisory is included in the supplied sources.
Mitigation direction
- Identify any Computer Laboratory System 1.0 deployments.
- Check the project or vendor source for official remediation guidance.
- Restrict staff account access to trusted users only.
- Consider isolating exposed deployments until vendor guidance is confirmed.
- Monitor upload paths and web roots for unexpected server-side files.
Validation and detection
- Inventory internet-facing and internal lab-management applications.
- Confirm whether staff avatar upload is present and enabled.
- Review recent avatar uploads for unexpected executable file types.
- Check web server logs for unusual access to upload directories.
- Verify whether a fixed release or advisory exists from the maintainer.
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 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-2025-56295 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
- High
- CVSS
- 7.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
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:L/UI:R/S:U/C:H/I:H/A:N2.15.2CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
7.3HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
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://github.com/Chen1-Boop/CVE/blob/main/CVE-2025-56295.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.