Cyber Resilience

CVE-2026-42377

High

Published: 29 April 2026

Published
29 April 2026
Modified
29 April 2026
KEV Added
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Patch
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CVSS Score v3.1 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS Score 0.0002 4.2th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-42377 is a high-severity Missing Authorization (CWE-862) vulnerability. Its CVSS base score is 7.3 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 4.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 AC-3 (Access Enforcement) and SI-2 (Flaw Remediation).

Deeper analysis

CVE-2026-42377 is a missing authorization vulnerability (CWE-862) in the Brainstorm Force SureForms Pro WordPress plugin, enabling exploitation of incorrectly configured access control security levels. This issue affects SureForms Pro versions from n/a through 2.8.0 and was published on 2026-04-29.

The vulnerability carries a CVSS v3.1 base score of 7.3 (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L), indicating that unauthenticated remote attackers can exploit it over the network with low attack complexity and no user interaction. Successful exploitation could result in low impacts to confidentiality, integrity, and availability.

Mitigation details are available in the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/sureforms-pro/vulnerability/wordpress-sureforms-pro-plugin-2-8-0-broken-access-control-vulnerability?_s_id=cve.

EU & UK References

Vulnerability details

Missing Authorization vulnerability in Brainstorm Force SureForms Pro allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects SureForms Pro: from n/a through 2.8.0.

CWE(s)
CWE-862

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.
attack.mitre.org →
Why these techniques?

The CVE describes a missing authorization (broken access control) vulnerability in a public-facing WordPress plugin allowing unauthenticated remote exploitation over the network, directly enabling T1190 Exploit Public-Facing Application.

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

CVEs Like This One

CVE-2026-45209Shared CWE-862
CVE-2026-25026Shared CWE-862
CVE-2026-42083Shared CWE-862
CVE-2026-0656Shared CWE-862
CVE-2026-24532Shared CWE-862
CVE-2025-13603Shared CWE-862
CVE-2025-69063Shared CWE-862
CVE-2026-3045Shared CWE-862
CVE-2025-67956Shared CWE-862
CVE-2025-41765Shared CWE-862

Affected Assets

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

AC-3 Access Enforcement good match
prevent

Directly mandates enforcement of approved authorizations for access to system resources, addressing the missing authorization vulnerability in SureForms Pro.

SI-2 Flaw Remediation good match
prevent

Requires identification, reporting, and correction of flaws like this missing authorization issue in the WordPress plugin up to version 2.8.0.

AC-6 Least Privilege partial match
prevent

Enforces least privilege to restrict the impact of unauthorized access enabled by the plugin's broken access control security levels.

References