Quick answers
- Is CVE-2025-13815 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2025-13815 being exploited in the wild.
- How severe is CVE-2025-13815?
- Medium severity, with a CVSS score of 6.3, published 1 December 2025.
- Which products and versions are affected?
- Moxi159753 Mogu Blog v2 up to 5.2.
- Is there a fix for CVE-2025-13815?
- 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-2025-13815 attacked?
- It is attacked over the network.
- Am I affected by CVE-2025-13815?
- Check whether you run Mogublog Project Mogublog or Moxi159753 Mogu Blog 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
The vulnerability is an unrestricted file upload flaw in Mogu Blog v2 up to version 5.2, affecting an unauthenticated endpoint at /file/pictures. The vulnerability exists in the file upload handler which fails to properly validate or restrict the filedatas parameter, allowing an attacker to upload arbitrary files without authentication. An attacker can send a crafted HTTP request to upload malicious files such as web shells, potentially achieving remote code execution or defacement. The vendor was contacted early but did not respond, and public exploits are now available.
Affected products
- moxi159753 Mogu Blog v2 up to 5.2
Timeline
- 2025-12-01: disclosed
- exploited: public exploit available