Fluent Forms Plugin up to 6.2.4 on WordPress Form Submission authorization
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.5 | $0-$5k | 0.68 |
Summary
A vulnerability marked as problematic has been reported in Fluent Forms Plugin up to 6.2.4 on WordPress. The affected element is an unknown function of the component Form Submission Handler. This manipulation causes authorization. The identification of this vulnerability is CVE-2026-11578. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.
Details
A vulnerability has been found in Fluent Forms Plugin up to 6.2.4 on WordPress and classified as problematic. Affected by this vulnerability is an unknown code of the component Form Submission Handler. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
The Fluent Forms WordPress plugin before 6.2.5 does not properly restrict the deletion of form submission entries to the forms a restricted Manager is authorized to manage, allowing a Manager limited to specific forms to permanently delete submission entries belonging to other forms. This requires a non-default configuration in which an administrator has created at least one Manager restricted to specific forms.
The weakness was shared by Muni Nitish Kumar Yaddala. It is possible to read the advisory at wpscan.com. This vulnerability is known as CVE-2026-11578 since 06/08/2026. The exploitation appears to be easy. The attack can be launched remotely. Additional levels of successful authentication are needed for exploitation. The technical details are unknown and an exploit is not publicly available.
Upgrading to version 6.2.5 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-41253). Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.7VulDB Meta Temp Score: 4.5
VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: AuthorizationCWE: CWE-639 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
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: Fluent Forms Plugin 6.2.5
Timeline
06/08/2026 CVE reserved07/02/2026 Advisory disclosed
07/02/2026 VulDB entry created
07/02/2026 VulDB entry last update
Sources
Advisory: wpscan.comResearcher: Muni Nitish Kumar Yaddala
Status: Confirmed
CVE: CVE-2026-11578 (🔒)
GCVE (CVE): GCVE-0-2026-11578
GCVE (VulDB): GCVE-100-375799
EUVD: 🔒
Entry
Created: 07/02/2026 09:09Updated: 07/02/2026 12:42
Changes: 07/02/2026 09:09 (56), 07/02/2026 12:42 (1)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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