MacCMS v10 before 2026.1000.4054 Account Takeover via Unbound Password Recovery Code

MacCMS v10 before 2026.1000.4054 contains an authentication bypass vulnerability that allows unauthenticated attackers to reset any member's password because check_msg() never compares msg_to. Attackers can request a recovery code to their own mailbox via user/findpass_msg, then submit it to user/findpass_reset with the victim's email or phone to take over the account.

MacCMS v10 through 2026.1000.4056 Race Condition via Card Redemption

MacCMS v10 through 2026.1000.4056 contains a race condition vulnerability in Card::useData() that allows authenticated members to redeem one recharge card multiple times via the user/buy endpoint. Attackers can send many concurrent flag=card requests that pass the non-locking card read before it is marked used, inflating user_points to buy VIP upgrades and paid content.

MacCMS v10 through 2026.1000.4056 Comment Impersonation via user_id Mass Assignment

MacCMS v10 through 2026.1000.4056 contains a mass assignment vulnerability in index/Comment::saveData() that allows unauthenticated attackers to set arbitrary mac_comment columns including user_id. Attackers can submit anonymous comments with a crafted user_id parameter to attribute them to any registered member, displaying that member's avatar and impersonating them.

MacCMS v10 through 2026.1000.4056 Account Takeover via Password Recovery Brute-Force

MacCMS v10 through 2026.1000.4056 does not limit attempts on the six-digit password recovery code, allowing unauthenticated attackers to take over member accounts. Attackers knowing a victim's email or phone can request a code and brute-force findpass_reset to overwrite the member's password.

The /api.php/user/get_list endpoint in Maccms v10 v2026.1000.4055 is vulnerable to an Incorrect Access Control issue. The interface fails to perform any authentication or authorization checks. An unauthenticated remote attacker can send a crafted HTTP GET request with limit and offset parameters to paginate and retrieve sensitive information of all registered users.

magicblack MacCMS10 Template .%40template%40default%40html%40label.html os command injection

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.

MacCMS10 - Incomplete Function Blacklist in Template Editor Enables Authenticated RCE

MacCMS10's admin template editor (application/admin/controller/Template.php) blocks dangerous PHP functions in template content via a blacklist regex, but the blacklist omitted exec, passthru, popen, show_source, create_function, register_shutdown_function, register_tick_function, and error_log.

MacCMS Pro Installation Index.php step5 authorization

A vulnerability was detected in MacCMS Pro up to 2022.1000.3005. Impacted is the function step5 of the file application/install/controller/Index.php of the component Installation Module. The manipulation results in authorization bypass. The attack may be launched remotely. The attack requires a high level of complexity. The exploitability is considered difficult. The exploit is now public and may be used. Upgrading to version 2022.1000.3025 is recommended to address this issue. Upgrading the affected component is recommended.