Medium severity · published Oct 23, 2026
CVE-2026-94263
Advanced Custom Fields: Extended 0.9.2.4 - 0.9.2.7 - Unauthenticated Arbitrary Shortcode Execution via Form Success Message
New
4.8
CVSS
0.2%
EPSS
No
On KEV
Description
The Advanced Custom Fields: Extended and Advanced Custom Fields: Extended PRO WordPress plugins from 0.9.2.4 to 0.9.2.7 do not consistently disable shortcode processing in the confirmation message of their front-end forms, allowing unauthenticated visitors to have arbitrary shortcodes executed server-side when they submit a form whose stored configuration does not carry the relevant setting.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
Advanced Custom Fields: Extended ·
0.9.2.4 before 0.9.2.8 · source: vendor
AC
Advanced Custom Fields: Extended PRO ·
0.9.2.4 before 0.9.2.8 · source: vendor
Affected product
AC
Advanced Custom Fields: Extended
More from Advanced Custom Fields: Extended
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8.1
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Advanced Custom Fields: Extended 0.9.2.7 - Unauthenticated Administrator Account Takeover via Front-End User Update Action
8.1
CVE-2026-94262
Advanced Custom Fields: Extended 0.9.2.7 - Unauthenticated Non-Administrator Account Takeover via Front-End User Update Action
8.1
CVE-2026-80467
Advanced Custom Fields: Extended 0.9.2.2 - 0.9.2.6 - Unauthenticated Privilege Escalation via Front-End User Insert Action
8.1
CVE-2026-12526
Advanced Custom Fields: Extended < 0.9.2.7 - Unauthenticated Administrator Account Takeover via Front-End User Update Action