Critical severity · published Oct 21, 2026
CVE-2026-111834
WordPress Mang Board WP plugin <= 2.4.4 - Arbitrary File Upload vulnerability
New
9.9
CVSS
0.4%
EPSS
No
On KEV
Description
Unrestricted Upload of File with Dangerous Type vulnerability in Kitae Park Mang Board WP mangboard allows Upload a Web Shell to a Web Server.This issue affects Mang Board WP: from n/a through 2.4.4.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MB
Mang Board WP · Kitae Park
through 2.4.4 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-111834
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-111834
patchstack.com
https://patchstack.com/database/wordpress/plugin/mangboard/vulnerability/wordpress-mang-board-wp-plugin-2-4-4-arbitrary-file-upload-vulnerability?_s_id=cve
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