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ActiveCampaign < 8.0.2 — Cross-Site Request Forgery

CVE-2021-24133Published · Updated

Action summary

Affected: <8.0.2Update to 8.0.2 or newer

All remediation steps
Watch plugin
Severity
Medium4.3
CVSS
4.3
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:R User interaction
Required
S:U Scope
Unchanged
C:N Confidentiality
None
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-352 CSRF
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

ActiveCampaign – The autonomous marketing platform activecampaign-subscription-forms

  1. Affected< 8.0.2
  2. Patched in8.0.2

Update to 8.0.2 or newer.

You are affected if you run < 8.0.2. Version 8.0.2 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under ActiveCampaign – The autonomous marketing platform.
  • No admin access? Run a passive check of your site. It reads public files only.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

  1. Update to version 8.0.2, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch ActiveCampaign – The autonomous marketing platform to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Nguyen Anh Tien.

Lack of CSRF checks in the ActiveCampaign WordPress plugin, versions before 8.0.2, on its Settings form, which could allow attacker to make a logged-in administrator change API Credentials to attacker's account.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in ActiveCampaign – The autonomous marketing platform

All 4
More vulnerabilities in ActiveCampaign – The autonomous marketing platform
SeverityVulnerabilityCVEPublished
Medium4.4Authenticated (Administrator+) Stored Cross-Site Scripting
≤8.1.16Update to 8.1.17
CVE-2025-32136
Medium5.5Authenticated (Administrator+) Server-Side Request Forgery
≤8.1.14Update to 8.1.15
CVE-2024-32430
Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤8.1.11Update to 8.1.12
CVE-2023-0233

Same weakness (CSRF)

All CSRF
Other CSRF vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup≤5.25.25Update to 5.26.45
CVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder≤1.0.2Update to 1.1
CVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System≤3.3.9Update to 3.4.0
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity medium, CVSS 4.3

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
CVE® identifiers
Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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