CVE-2026-90788
MediumCVSS 4.7Exploitation Probability (EPSS)
Elevated risk74th percentile - higher than 74% of all known CVEs
Summary
A security flaw has been discovered in magicblack MacCMS10 2026.1000.4055. Affected by this vulnerability is an unknown functionality of the file /admin1.php/admin/template/index/path/.%40template%40default%40html%40label.html of the component Template Handler. Performing a manipulation results in os command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Risk Assessment
An attacker can achieve remote code execution on the server, leading to full compromise, data theft, or lateral movement within the network.
Recommendation
Immediately update MagCMS10 to the latest version if available, or apply temporary mitigations such as restricting access to the admin panel and blocking requests to the vulnerable file. Monitor logs for attacks.
Other vulnerabilities in MacCMS10
See all- CVE-2026-71232High
MacCMS10's admin template editor blocks dangerous PHP functions via a blacklist regex, but the blacklist omitted exec, passthru, popen, show_source, create_function, register_shutdown_function, register_tick_function, and error_log.
- CVE-2025-10122Medium
A SQL injection vulnerability was found in Maccms10 version 2025.1000.4050, specifically in the rep function of application/admin/controller/Database.php. Manipulation of the where argument leads to SQL injection. The attack can be initiated remotely, and the exploit has been made public.
Original NVD description (English source)
A security flaw has been discovered in magicblack MacCMS10 2026.1000.4055. Affected by this vulnerability is an unknown functionality of the file /admin1.php/admin/template/index/path/.%40template%40default%40html%40label.html of the component Template Handler. Performing a manipulation results in os command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS