# CVE-2025-60735: Perfree PerfreeBlog unrestricted file upload in installPlugin

Source: https://junglewise.ai/threats/cve-2025-60735-perfree-perfreeblog-unrestricted-file-upload-in-installplugin  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-10-24. Updated: 2026-07-05  
License: CC BY 4.0 with a link back

CVE-2025-60735 · Severity: high · CVSS 7.6 · Published 2025-10-24

PerfreeBlog, a Java-based content management system (CMS), contains a security flaw in its plugin installation feature. An attacker with basic user permissions can upload malicious files to the server. This could allow an unauthorized individual to gain control over the website, access sensitive data, or disrupt business operations.

Technologies: [Perfreeblog](https://junglewise.ai/threats/technologies/perfreeblog). Vendors: [Perfree](https://junglewise.ai/threats/vendors/perfree).

## Quick answers

**Is CVE-2025-60735 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-60735 being exploited in the wild.

**How severe is CVE-2025-60735?** High severity, with a CVSS score of 7.6, published 24 October 2025.

**Which products and versions are affected?** Perfreeblog 4.0.11.

**Is there a fix for CVE-2025-60735?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2025-60735 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2025-60735?** Check whether you run Perfreeblog at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

An unrestricted file upload vulnerability (CWE-434) exists in PerfreeBlog v4.0.11 within the 'installPlugin' function. The application fails to properly validate or sanitize file extensions or content during the plugin installation process. An attacker with low-level authenticated access can exploit this over the network to upload and potentially execute arbitrary code (such as a web shell) on the host server. This can lead to full system compromise, unauthorized data access, or service disruption. As of the advisory date, users should exercise caution with plugin installations and restrict administrative access.

## Affected products

- Perfree PerfreeBlog 4.0.11

## Timeline

- 2025-10-24: disclosed: Initial NVD publication

## References

- [https://github.com/dengxmenglihua/cve/blob/main/PerfreeBlog/File%20Upload%202/Arbitrary%20File%20Upload%20Vulnerability%20in%20PerfreeBlog%20System.md](https://github.com/dengxmenglihua/cve/blob/main/PerfreeBlog/File%20Upload%202/Arbitrary%20File%20Upload%20Vulnerability%20in%20PerfreeBlog%20System.md)
- [https://perfree.org.cn/](https://perfree.org.cn/)

## Related threats

- [PerfreeBlog v4.0.11 is vulnerable to Server-Side Request Forgery due to a missing authorization check in the…](https://junglewise.ai/threats/cve-2025-60319-perfreeblog-v4-0-11-is-vulnerable-to-server-side-request-forgery)
- [Perfree PerfreeBlog unrestricted file upload in installTheme](https://junglewise.ai/threats/cve-2025-60731-perfree-perfreeblog-unrestricted-file-upload-in-installtheme)
- [Perfree PerfreeBlog arbitrary file deletion in unInstallTheme](https://junglewise.ai/threats/cve-2025-60730-perfree-perfreeblog-arbitrary-file-deletion-in-uninstalltheme)
- [Perfree PerfreeBlog arbitrary file read in validThemeFilePath](https://junglewise.ai/threats/cve-2025-60729-perfree-perfreeblog-arbitrary-file-read-in-validthemefilepath)