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CVE-2025-62104: Medium Vulnerability in Navneil Naicker ACF Galerie 4

A medium-severity Missing Authorization vulnerability exists in Navneil Naicker ACF Galerie 4, affecting versions up to 1.4.2. Organizations should prioritize patching to prevent potential exploitation through incorrectly configured access controls.

MEDIUMCVSS 4.3 · Published April 23, 2026

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This vulnerability allows exploiting incorrectly configured access control security levels in Navneil Naicker ACF Galerie 4. With a CVSS score of 4.3, this medium-severity issue poses a risk to organizations that utilize this plugin. The vulnerability affects ACF Galerie 4 versions prior to 1.4.2, which means that any organization using this version or earlier is at risk.

Risk to organizations includes unauthorized access to sensitive functionality or data due to misconfigurations. The potential for exploitation emphasizes the importance of addressing this vulnerability in a timely manner, especially since it has a low attack complexity and requires low privileges.

As of now, there are no confirmed public exploits, but the vulnerability's status is marked as deferred, suggesting that it may not be actively exploited in the wild. Nevertheless, organizations should prioritize patching immediately to mitigate any potential risks.

Defenders should incorporate this information into their vulnerability management programs to ensure that the affected products are promptly updated or remediated.

Vulnerability Details

The CVE-2025-62104 vulnerability is classified as a Missing Authorization vulnerability, specifically identified as CWE-862. This issue allows attackers to exploit incorrectly configured access control mechanisms. The CVSS 3.1 score is 4.3, indicating a medium severity level due to the potential integrity impact while maintaining a low attack complexity and requiring low privileges.

The affected product is Navneil Naicker ACF Galerie 4, with the vulnerability affecting versions up to and including 1.4.2. The vulnerability was published on April 23, 2026.

Technical Analysis

The root cause of this vulnerability stems from inadequate access controls, which allows unauthorized users to gain access to restricted functions within the ACF Galerie plugin. The attack vector is network-based, meaning that an attacker can exploit this vulnerability without needing physical access to the system.

The complexity of the attack is low, and it requires low privileges, indicating that even attackers with minimal access could exploit this vulnerability without user interaction. The impacts on confidentiality are negligible, but the potential for integrity impact is present, as unauthorized changes could be made to the application.

Risk & Impact Analysis

Organizations using ACF Galerie 4 should be aware of the real-world risks posed by this vulnerability. If exploited, attackers could gain unauthorized access to sensitive functions that could compromise the integrity of the application and its data. The blast radius potential, although moderate, should compel organizations to treat this vulnerability with urgency.

Given the CVSS score of 4.3 and the lack of evidence for active exploitation, organizations should assess the urgency of remediation as medium. While there is currently no evidence of active exploitation, the potential impact necessitates prioritization in the patch cycle.

Exploitation Status

Signal

Status

Known Exploit

No

Public PoC

No

Actively Exploited

No

Ransomware Use

No

Affected Versions

The vulnerability affects ACF Galerie 4 versions prior to 1.4.2. Organizations should ensure they are running the latest version to mitigate any risk associated with this vulnerability.

Mitigation & Remediation

Organizations should monitor for updates from the vendor and apply patches as soon as they are available. If a patch is not available, consider implementing configuration hardening to restrict access controls. Additionally, conducting a thorough security assessment can help identify any misconfigurations.

For further guidance on vulnerability management and security testing, organizations can refer to penetration testing services that can assist in identifying and remediating vulnerabilities.

Detection Guidance

To detect potential exploitation attempts, organizations should monitor for unusual access patterns or unauthorized changes to application settings. Implementing logging mechanisms can help track access to sensitive areas of the application.

AppSecure Threat Intelligence Insight

The CVE-2025-62104 vulnerability highlights the ongoing challenges of access control in web applications. The potential for exploitation through misconfigurations serves as a reminder for organizations to consistently review and strengthen their security posture. Regular security assessments and audits can help identify vulnerabilities before they can be exploited.

For organizations looking to enhance their security strategies, resources such as vulnerability management programs and penetration testing methodology are essential to proactively manage security risks.

Organizations should also consider leveraging API penetration testing to ensure that their applications are secure against similar vulnerabilities.

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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