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TI-2025-04633 Aliases CVE-2025-5164GHSA-q22v-8f6w-43w8

PerfreeBlog JWT JwtUtil hard-coded key

Priority MEDIUM 61CWE-320Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-321.

Summary

A vulnerability has been found in PerfreeBlog 4.0.11 and classified as problematic. This vulnerability affects the function JwtUtil of the component JWT Handler. The manipulation leads to use of hard-coded cryptographic key . The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00782 56th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—PerfreeBlog4.0.11—No fix listedCNA
  • PerfreeBlog Vendor— Affected 4.0.11 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:perfree:perfreeblog:4.0.11:*:*:*:*:*:*:*4.0.11Vulnerableperfree
  • cpe:2.3:a:perfree:perfreeblog:4.0.11:*:*:*:*:*:*:* Versions 4.0.11 Vulnerable ·perfree

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-5164
  2. 2026-10-03 Alias added: GHSA-q22v-8f6w-43w8

References

Exploit 1

  • TI-2025-21031 In PerfreeBlog version 4.0.11, regular users can exploit the arbitrary file upload… CVSS 3.1HIGH 8.8
  • TI-2025-21072 PerfreeBlog v4.0.11 has a directory traversal vulnerability in the getThemeFilesByName function. CVSS 3.1HIGH 7.5
  • TI-2023-21565 An issue in Perfree PerfreeBlog v.3.1.2 allows a remote attacker to execute arbitrary… CVSS 3.1HIGH 7.2
  • TI-2025-37803 PerfreeBlog v4.0.11 has a File Upload vulnerability in the installPlugin function CVSS 3.1HIGH 7.6
  • TI-2025-37802 PerfreeBlog v4.0.11 has a File Upload vulnerability in the installTheme function CVSS 3.1HIGH 7.6
  • TI-2025-37801 PerfreeBlog v4.0.11 has an arbitrary file deletion vulnerability in the unInstallTheme function CVSS 3.1HIGH 7.6
See all 13 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences