PT-2026-36316 · Unknown · Maccms Pro

Qingyunsec · Published 2026-05-01 · Updated 2026-05-01 · CVE-2026-7578

Positive Technologies (AI Summary)

CVSS v2.0

5.8

Medium

Base vector

AV:N/AC:L/Au:M/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions MacCMS Pro versions prior to 2022.1.4

Description A flaw in the Plugin Installation Handler component allows for unrestricted file upload. A remote attacker can exploit this by manipulating the install() function within the '/admi.php/admin/addon/add.html' endpoint.

Recommendations Update to a version later than 2022.1.3. As a temporary workaround, restrict access to the '/admi.php/admin/addon/add.html' endpoint or disable the install() function in the Plugin Installation Handler.

Exploit

Fix

Unrestricted File Upload

Improper Access Control

Weakness Enumeration

CWE-434

CWE-284

Related Identifiers

CVE-2026-7578

Affected Products

Maccms Pro

References · 9

• 🔥 https://github.com/qingyun985/Cyber-Security/issues/1 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-7578 · Security Note
• https://t.me/CVEtracker/52405 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2050184700631650358 · Twitter Post
• https://vuldb.com/submit/792283 · Note
• https://vuldb.com/vuln/360419 · Note
• https://twitter.com/CVEnew/status/2050182538681844104 · Twitter Post
• https://twitter.com/infoflowcloud/status/2050183908503826816 · Twitter Post
• https://vuldb.com/vuln/360419/cti · Note