CVE-2026-22479
Missing Authorization in ThemeRuby Easy Post Submission
Publication date: 2026-03-05
Last updated on: 2026-04-28
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| patchstack | easy_post_submission | From 2.2.0|end_including=2.2.0 (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-2026-22479 is a high-priority Broken Access Control vulnerability in the WordPress Easy Post Submission Plugin versions up to and including 2.2.0.
The vulnerability is caused by missing authorization, authentication, or nonce token checks within certain plugin functions.
This flaw allows unauthenticated users to perform actions that should be restricted to higher-privileged users.
It falls under the OWASP Top 10 category A1: Broken Access Control and has a CVSS severity score of 7.5, indicating a significant risk and high likelihood of exploitation.
How can this vulnerability impact me? :
This vulnerability allows attackers without any prior authentication to perform privileged actions on a website using the Easy Post Submission plugin.
Such unauthorized actions can compromise the integrity and security of the website, potentially leading to unauthorized content submission or manipulation.
Because the vulnerability is easy to exploit and no official patch is currently available, affected sites are at high risk until mitigations are applied.
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?
[{'type': 'paragraph', 'content': "CVE-2026-22479 is a Broken Access Control vulnerability in the WordPress Easy Post Submission Plugin up to version 2.2.0, allowing unauthenticated users to perform privileged actions. Detection involves monitoring for unauthorized access attempts or suspicious activity targeting the plugin's functions that lack proper authorization checks."}, {'type': 'paragraph', 'content': 'Since no official patch is available, and the vulnerability requires no prior authentication, detection can be challenging without specific signatures or rules.'}, {'type': 'paragraph', 'content': 'Patchstack has issued a mitigation rule that can be applied to block attacks targeting this vulnerability, which may include detection capabilities.'}, {'type': 'paragraph', 'content': 'Specific commands are not provided in the available resources.'}] [1]
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include applying the Patchstack mitigation rule designed to block attacks targeting this vulnerability until an official patch is released.
Users are strongly advised to implement this mitigation immediately to protect their websites.
Continuous security monitoring and automated vulnerability mitigation services from Patchstack can also help safeguard WordPress sites against this and other threats.