CVE-2026-25437
Missing Authorization in GZSEO ≤ 2.0.14 Enables Unauthorized Access
Publication date: 2026-03-25
Last updated on: 2026-04-23
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| gzseo | gzseo | to 2.0.14 (inc) |
| patchstack | gzseo | to 2.0.14 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-862 | The product does not perform an authorization check when an actor attempts to access a resource or perform an action. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a Missing Authorization issue in the GZSEO plugin, specifically versions up to 2.0.14. It occurs due to incorrectly configured access control security levels, which means that the system does not properly verify whether a user has the necessary permissions before allowing certain actions.
How can this vulnerability impact me? :
Because of the missing authorization checks, unauthorized users might be able to perform actions or access data that should be restricted. This can lead to unauthorized changes, data exposure, or other security breaches depending on what the GZSEO plugin controls.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
The CVE-2026-25437 vulnerability is a Broken Access Control issue that allows unauthenticated users to perform privileged actions due to missing authorization checks in the GZSEO WordPress plugin. Such unauthorized access can lead to data exposure or manipulation, which may impact compliance with standards and regulations like GDPR and HIPAA that require strict access controls and protection of sensitive data.
Because this vulnerability enables unauthorized actions without proper authentication, it could result in violations of data protection requirements, potentially leading to non-compliance with regulations that mandate secure access controls and data integrity.
How can this vulnerability be detected on my network or system? Can you suggest some commands?
The CVE-2026-25437 vulnerability affects WordPress GZSEO Plugin versions up to 2.0.14 and involves missing authorization checks allowing unauthenticated users to perform privileged actions.
There are no specific detection commands or network signatures provided in the available information.
Users should monitor for unusual or unauthorized actions on the affected plugin, especially those that do not require authentication.
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include applying the Patchstack mitigation rule which blocks attacks exploiting this vulnerability until an official patch is released.
Users are advised to update the GZSEO plugin immediately once an official patch becomes available.
If an update is not yet available, seek assistance from your hosting provider or web developer to implement mitigation measures.