CVE-2026-25419
Missing Authorization in UpsellWP Checkout Allows Unauthorized Access
Publication date: 2026-02-19
Last updated on: 2026-04-01
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| upsellwp | checkout-upsell-and-order-bumps | to 2.2.3 (inc) |
| flycart | upsellwp | to 2.2.3 (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 flycart UpsellWP plugin, specifically in the checkout-upsell-and-order-bumps feature. It allows attackers to exploit incorrectly configured access control security levels, meaning that unauthorized users might gain access to functions or data they should not be able to access.
How can this vulnerability impact me? :
The impact of this vulnerability could include unauthorized access to sensitive checkout or order bump features within the UpsellWP plugin. This could lead to manipulation of orders, unauthorized changes, or exposure of sensitive information related to the checkout process.
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?
I don't know