What is the CVSS score of CVE-2025-29421?

CVE-2025-29421 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.1%.

Which versions of Perfreeblog are affected by CVE-2025-29421?

Organizations using PerfreeBlog v4.0.11 face notable risk from CVE-2025-29421, a improper access control vulnerability rated CVSS 7.5.

Is there a public PoC exploit available for CVE-2025-29421?

Yes, a public proof-of-concept exploit is available for CVE-2025-29421. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-29421?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Perfreeblog CVE-2025-29421

HIGH

Improper Access Control (CWE-284)

2025-08-25 cve@mitre.org

Authentication Bypass Perfreeblog

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:08 vuln.today

PoC Detected

Aug 26, 2025 - 20:59 vuln.today

Public exploit code

CVE Published

Aug 25, 2025 - 17:15 nvd

HIGH 7.5

DescriptionCVE.org

PerfreeBlog v4.0.11 has an arbitrary file read vulnerability in the getThemeFileContent function.

AnalysisAI

PerfreeBlog v4.0.11 has an arbitrary file read vulnerability in the getThemeFileContent function. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-284. PerfreeBlog v4.0.11 has an arbitrary file read vulnerability in the getThemeFileContent function. Affected products include: Perfree Perfreeblog.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.