CVE-2023-27757
An arbitrary file upload vulnerability in the /admin/user/uploadImg component of PerfreeBlog v3.1...
An arbitrary file upload vulnerability in the /admin/user/uploadImg component of PerfreeBlog v3.1.1 allows attackers to execute arbitrary code via a crafted JPG file.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An arbitrary file upload vulnerability in the /admin/user/uploadImg component of PerfreeBlog v3.1.1 allows attackers to execute arbitrary code via a crafted JPG file.
- Record
CVE-2023-27757- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
CVE List No score
An arbitrary file upload vulnerability in the /admin/user/uploadImg component of PerfreeBlog v3.1.1 allows attackers to execute arbitrary code via a crafted JPG file.
- Record
CVE-2023-27757- Updated
- 2026-11-02
EUVDEUVD-2023-31493
An arbitrary file upload vulnerability in the /admin/user/uploadImg component of PerfreeBlog v3.1.1 allows attackers to execute arbitrary code via a crafted JPG file.
- Record
EUVD-2023-31493- CVSS
- 0.0 None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-hc99-gx4v-68qh
An arbitrary file upload vulnerability in the /admin/user/uploadImg component of PerfreeBlog v3.1...
An arbitrary file upload vulnerability in the /admin/user/uploadImg component of PerfreeBlog v3.1.1 allows attackers to execute arbitrary code via a crafted JPG file.
- Record
GHSA-hc99-gx4v-68qh- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
OSV No score
An arbitrary file upload vulnerability in the /admin/user/uploadImg component of PerfreeBlog v3.1.1 allows attackers to execute arbitrary code via a crafted JPG file.
- Record
CVE-2023-27757- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-27757 is a critical vulnerability (CVSS 9.8) in Perfree Perfreeblog, published March 15, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.94%, the 60th percentile. No source names a fixed version.