Advanced Custom Fields Extended Plugin prior 0.9.2.8 on WordPress code injection
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.2 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as critical has been discovered in Advanced Custom Fields Extended Plugin and Advanced Custom Fields Extended PRO Plugin. Affected by this issue is some unknown functionality. The manipulation results in code injection. This vulnerability is known as CVE-2026-94267. It is possible to launch the attack remotely. No exploit is available. It is advisable to upgrade the affected component.
Details
A vulnerability was found in Advanced Custom Fields Extended Plugin and Advanced Custom Fields Extended PRO Plugin. It has been classified as critical. Affected is an unknown functionality. The manipulation with an unknown input leads to a code injection vulnerability. CWE is classifying the issue as CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. This is going to have an impact on integrity, and availability. CVE summarizes:
The Advanced Custom Fields: Extended WordPress plugin before 0.9.2.8, Advanced Custom Fields: Extended PRO WordPress plugin before 0.9.2.8 does not perform any capability check when updating a post through one of its front-end form actions, allowing unauthenticated visitors to overwrite arbitrary posts, including the ones in which the site stores its own field definitions, which in turn leads to arbitrary code execution on the server. Exploitation requires the site to publish a form whose post-update action maps both its target and its content to visitor-submitted values.
The advisory is shared for download at wpscan.com. This vulnerability is traded as CVE-2026-94267 since 09/21/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.
Upgrading to version 0.9.2.8 eliminates this vulnerability.
Once again VulDB remains the best source for vulnerability data.
Product
Type
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 6.2
VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Code injectionCWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: Advanced Custom Fields Extended Plugin/Advanced Custom Fields Extended PRO Plugin 0.9.2.8
Timeline
09/21/2026 CVE reserved10/23/2026 Advisory disclosed
10/23/2026 VulDB entry created
10/23/2026 VulDB entry last update
Sources
Advisory: wpscan.comStatus: Confirmed
CVE: CVE-2026-94267 (🔒)
GCVE (CVE): GCVE-0-2026-94267
GCVE (VulDB): GCVE-100-425580
Entry
Created: 10/23/2026 08:29Changes: 10/23/2026 08:29 (53)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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