Security readout for executives and security teams
Plain-English summary
CVE-2025-60731 is a high-severity file upload flaw in PerfreeBlog v4.0.11’s theme installation function. A logged-in attacker could upload unsafe files through that feature, potentially exposing data and affecting site integrity or availability. Public sources do not state that exploitation is active.
Executive priority
Treat as a near-term remediation item for any PerfreeBlog v4.0.11 deployment, especially internet-accessible sites. Prioritize access restriction and vendor update checks because public details exist and the weakness can affect sensitive content.
Technical view
The CVE describes CWE-434 unrestricted file upload in PerfreeBlog v4.0.11 installTheme. CVSS 3.1 is 7.6: network-accessible, low complexity, privileges required, no user interaction, unchanged scope, high confidentiality impact, low integrity and availability impact. The provided record does not identify a fixed version.
Likely exposure
Organizations running PerfreeBlog v4.0.11 with access to administrative or theme installation functionality are the likely exposure group. Risk is higher where management interfaces are reachable from untrusted networks or where many users have theme-management privileges.
Exploitation context
The CVSS vector indicates an attacker needs some privileges but no user interaction. The public reference describes arbitrary file upload in the theme installation path. There is no KEV listing and no cited source in the bundle confirms active exploitation.
Researcher notes
Evidence is limited to the CVE record and a public GitHub advisory-style write-up. Affected product metadata in the CVE bundle is incomplete, but the title and description name PerfreeBlog v4.0.11. No official patch information is included in the provided sources.
Mitigation direction
- Check PerfreeBlog vendor guidance for a fixed version or official workaround.
- Restrict access to theme installation and administrative functions.
- Remove unnecessary accounts with theme-management privileges.
- Limit management interface exposure to trusted networks or VPN.
- Monitor uploads and web directories for unexpected theme files.
Validation and detection
- Inventory PerfreeBlog deployments and confirm exact version numbers.
- Identify systems running PerfreeBlog v4.0.11.
- Review who can access the installTheme function.
- Check whether administrative interfaces are internet-accessible.
- Inspect recent theme uploads for unexpected or unauthorized files.
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-2025-60731 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
- 7.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
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:N/S:U/C:H/I:L/A:L2.84.7CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
7.6HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
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://perfree.org.cn/CVE reference, mitre
- https://github.com/dengxmenglihua/cve/blob/main/PerfreeBlog/File%20Upload/Arbitrary%20File%20Upload%20Vulnerability%20in%20PerfreeBlog%20System.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.