Security readout for executives and security teams
Plain-English summary
YZNCMS v2.0.1 has a plugin-installation upload flaw that can let an attacker run code by submitting a crafted Zip file. The published CVSS limits the scenario to local access with low privileges, so exposure depends heavily on who can access plugin installation.
Executive priority
Treat as a targeted-risk issue for any YZNCMS v2.0.1 system with reachable plugin installation. Prioritize inventory, access restriction, and vendor-update tracking; escalate if the CMS is business-critical or multiple users can install plugins.
Technical view
The CVE describes arbitrary file upload in YZNCMS v2.0.1 plugin installation, leading to arbitrary code execution via crafted Zip upload. The record lists CWE-77 and CVSS 3.1 score 4.4 with AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
Likely exposure
Likely exposed assets are YZNCMS v2.0.1 deployments where a low-privileged local user can reach plugin installation. The source bundle does not provide CPEs, vendor identifiers, patch versions, or affected-version ranges beyond v2.0.1.
Exploitation context
The source bundle does not support active exploitation. CISA KEV status is false. Public references include the project repository and a vulnerability write-up, but the bundle does not establish real-world exploitation or weaponized use.
Researcher notes
Evidence is limited. The CVE record names YZNCMS v2.0.1 and crafted Zip upload through plugin installation, but affected CPEs, fixed releases, and official mitigation details are absent from the provided bundle.
Mitigation direction
- Inventory YZNCMS deployments and confirm whether v2.0.1 is in use.
- Restrict access to plugin installation to trusted operators only.
- Disable plugin installation where it is not operationally required.
- Review vendor project guidance for fixed versions or official mitigations.
- Monitor upload directories and application logs for suspicious plugin Zip activity.
Validation and detection
- Confirm the running YZNCMS version from application metadata or deployment records.
- Review which local or authenticated users can access plugin installation.
- Check recent plugin upload logs for unexpected Zip submissions.
- Inspect web roots and plugin directories for unexpected new executable files.
- Track CVE and repository updates for official remediation details.
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-77: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter 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-2025-25791 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
- Medium
- CVSS
- 4.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/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:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N1.82.5CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
4.4MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/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://gitee.com/ken678/YZNCMSCVE reference, mitre
- https://github.com/Ka7arotto/YZNCMS/blob/main/yzncms-upload.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.
Improper Neutralization of Special Elements used in a Command ('Command Injection')
Improper Neutralization of Special Elements used in a Command ('Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.