Cyber Resilience

CVE-2025-8992

Access Control in Mtons Mblog ≤ 3.5.0

Published
15 August 2025
Modified
17 June 2026
CVSS Score v4 2.1
Click a component to see what it means
Raw vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0027 19th percentile
Risk Priority 15 floored blend · peak EPSS

Summary

CVE-2025-8992 is a low-severity CSRF (CWE-352) vulnerability in Mtons Mblog. Its CVSS base score is 2.1 (Low).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 19th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

The strongest mitigations our analysis identified map to AC-3 (Access Enforcement) and SC-23 (Session Authenticity) — see the control section below for these in your framework.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability Data

A vulnerability has been found in mtons mblog up to 3.5.0. Affected by this issue is some unknown functionality. The manipulation leads to cross-site request forgery. The attack may be launched remotely. The exploit has been disclosed to the public…

more

and may be used.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
Why these techniques?

The CSRF vulnerability (CWE-352) in the public-facing web application mtons mblog enables remote exploitation of public-facing applications without authentication.

CVEs Like This One

CVE-2025-8739Shared CWE-352, CWE-862
CVE-2025-1891Shared CWE-352, CWE-862
CVE-2025-3150Shared CWE-352, CWE-862
CVE-2025-8223Shared CWE-352, CWE-862
CVE-2025-8505Shared CWE-352, CWE-862
CVE-2025-6864Shared CWE-352, CWE-862
CVE-2024-12349Shared CWE-352, CWE-862
CVE-2025-7133Shared CWE-352, CWE-862
CVE-2025-1084Shared CWE-352, CWE-862
CVE-2025-7756Shared CWE-352, CWE-862

Affected Assets

mtons
mblog
≤ 3.5.0

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)
  • AC-3 Access Enforcement
  • SC-23 Session Authenticity
  • SI-10 Information Input Validation
Detect
Catch it (NIST detect / respond)

Harden
Shrink the surface (DISA STIG)
  • 5 hardening rules · 3 OS baselines
Validate
Prove the fix (OWASP ASVS)
  • V3.3.2
  • V3.5.1
  • V10.2.1

Mitigating Controls (NIST 800-53 r5) AI

prevent

Directly enforces authorization decisions on every request so forged CSRF requests lacking proper authorization context are rejected.

prevent

Requires cryptographic or protocol-level validation that a request originates from an authentic user session, blocking forged cross-site requests.

prevent

Mandates validation of incoming requests (e.g., anti-CSRF tokens or origin checks) before processing state-changing actions.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.AA-05 full match
prevents

Explicitly requires defining, enforcing, and reviewing authorizations and least privilege, directly preventing missing authorization checks.

PR.PS-06 mostly match
prevents

Secure SDLC practices directly require anti-CSRF controls such as tokens or SameSite attributes.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

prevents

Requiring authentication and credentials before any access occurs eliminates the absence of authorization checks that would otherwise allow an unauthenticated actor to reach protected resources.

prevents

Requiring formal authorization of every access request before rights are granted ensures that checks for required permissions are performed, preventing missing authorization checks from being introduced.

prevents

Mandatory authorization checks and central records of granted rights ensure that every access attempt is preceded by an explicit decision rather than relying on missing checks.

mitigates

Segregating the approval of access rights from their implementation provides an independent check that reduces the impact of missing authorization checks in the resulting system configuration.

detects

By requiring competent outsiders to verify that every function enforces the need-to-know principle, the control lowers the likelihood that missing authorization checks persist undetected.

prevents

Defining authorization responsibilities and reviewing risk-treatment progress throughout the project lifecycle catches missing authorization checks before the system is deployed.

References