CVE-2026-25393
Missing Authorization in Hello FSE Plugin Enables Unauthorized Access
Publication date: 2026-02-19
Last updated on: 2026-02-19
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| sparklewpthemes | hello_fse | to 1.0.6 (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?
CVE-2026-25393 is a Broken Access Control vulnerability found in the WordPress Hello FSE Theme versions up to and including 1.0.6.
The issue arises from missing authorization, authentication, or nonce token checks within certain functions of the theme.
This allows unprivileged users to perform actions that should be restricted to higher-privileged roles such as Subscribers or Developers.
It is classified under the OWASP Top 10 category A1: Broken Access Control.
How can this vulnerability impact me? :
This vulnerability allows unauthorized users to perform actions reserved for privileged roles, potentially leading to unauthorized changes or access within the WordPress site.
Although the CVSS severity score is 4.3, indicating a low impact and priority, exploitation could still compromise site integrity or functionality.
No official patch is available, and the theme has not been updated for over a year, making it unlikely to receive fixes.
Deactivating the theme alone does not eliminate the risk unless a mitigation rule from Patchstack is applied.
Recommended mitigation includes removing and replacing the vulnerable theme or deploying Patchstack’s mitigation rules.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
To mitigate the CVE-2026-25393 vulnerability in the Hello FSE WordPress theme, you should remove and replace the vulnerable theme entirely.
Alternatively, you can deploy Patchstack’s mitigation rules which provide protection against exploitation of this broken access control issue.
Note that simply deactivating the theme does not eliminate the security risk.