Simple Membership MailChimp Integration Plugin up to 1.9.7 on WordPress Settings Page cross-site request forgery
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.7 | $0-$5k | 0.48+ |
Summary
A vulnerability categorized as problematic has been discovered in Simple Membership MailChimp Integration Plugin up to 1.9.7. This impacts an unknown function of the component Settings Page. The manipulation results in cross-site request forgery. This vulnerability is cataloged as CVE-2026-8151. The attack may be launched remotely. There is no exploit available.
Details
A vulnerability, which was classified as problematic, was found in Simple Membership MailChimp Integration Plugin up to 1.9.7. Affected is an unknown functionality of the component Settings Page. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. CWE is classifying the issue as CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. This is going to have an impact on integrity. CVE summarizes:
The Simple Membership MailChimp Integration WordPress plugin before 1.9.8 does not have CSRF checks in its settings page, allowing attackers to trick a logged-in administrator into changing the configured third-party API key. Once replaced, all subsequent member registration data (name, email, membership level) is sent to the attacker-controlled account.
The advisory is available at wpscan.com. This vulnerability is traded as CVE-2026-8151 since 05/08/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.
Upgrading to version 1.9.8 eliminates this vulnerability.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.8VulDB Meta Temp Score: 4.7
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 5.4
CNA Vector (WPScan): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Cross-site request forgeryCWE: CWE-352 / CWE-862 / CWE-863
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: Simple Membership MailChimp Integration Plugin 1.9.8
Timeline
05/08/2026 CVE reserved09/02/2026 Advisory disclosed
09/02/2026 VulDB entry created
09/02/2026 VulDB entry last update
Sources
Advisory: wpscan.comStatus: Confirmed
CVE: CVE-2026-8151 (🔒)
GCVE (CVE): GCVE-0-2026-8151
GCVE (VulDB): GCVE-100-398154
Entry
Created: 09/02/2026 16:43Changes: 09/02/2026 16:43 (64)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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