CVE-2025-55076

Description

A local privilege escalation vulnerability exists in the InstallationHelper service included with Plugin Alliance Installation Manager v1.4.0 for macOS. The service accepts unauthenticated XPC connections and executes input via system(), which may allow a local user to execute arbitrary commands with root privileges.

CVSS v3.1 Score

6.2

MEDIUM

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

Weakness Type (CWE)

CWE-269 CWE-269

Affected Products

Vendor	Product	Versions
plugin-alliance	installation_manager	All
apple	macos	All

References

Exploits

https://almightysec.com/plugin-alliance-helpertool-xpc-service-local-privilege-escalation/

Frequently Asked Questions

What is CVE-2025-55076? +

A local privilege escalation vulnerability exists in the InstallationHelper service included with Plugin Alliance Installation Manager v1.4.0 for macOS. The service accepts unauthenticated XPC connections and executes input via system(), which may allow a local user to execute arbitrary commands with root privileges. It has a CVSS v3.1 base score of 6.2 (MEDIUM).

How severe is CVE-2025-55076? +

CVE-2025-55076 has a CVSS v3.1 score of 6.2 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-55076? +

CVE-2025-55076 affects products from apple, plugin-alliance, specifically: installation_manager, macos. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-55076? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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