High severity · published Aug 5, 2026
CVE-2026-71232
MacCMS10 - Incomplete Function Blacklist in Template Editor Enables Authenticated RCE
7.2
CVSS
0.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
maccms10 · magicblack
through 10 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-71232
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-71232
github.com
https://github.com/magicblack/maccms10/commit/71ad3bb29570e110d8e973acff68040a3050ddf0
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