Overview
The CVE-2025-6025 is a significant cybersecurity vulnerability affecting the Order Tip for WooCommerce plugin for WordPress. This vulnerability, which affects all versions up to, and including, 1.5.4, allows unauthenticated attackers to manipulate the `data-tip` attribute, potentially leading to unauthorized discounts and even free orders. Therefore, it poses a substantial risk to e-commerce sites using this plugin and can result in significant financial loss.
Vulnerability Summary
CVE ID: CVE-2025-6025
Severity: High (7.5 CVSS)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Unauthorized manipulation of order values, potential system compromise, or data leakage
Affected Products
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Product | Affected Versions
Order Tip for WooCommerce Plugin for WordPress | All versions up to and including 1.5.4
How the Exploit Works
The exploit takes advantage of the lack of server-side validation on the `data-tip` attribute. A malicious actor can manipulate the tip amount for an order, applying an excessive or even negative amount. This manipulation can result in unauthorized discounts up to free orders depending on the value submitted by the attacker. Since the vulnerability does not require authentication, it can be exploited by anyone who can interact with the network.
Conceptual Example Code
Here is a conceptual example of how the vulnerability might be exploited:
POST /checkout HTTP/1.1
Host: target.example.com
Content-Type: application/json
{
"order": {
"items": [...],
"payment": {
"method": "credit_card",
...
},
"tip": {
"data-tip": "-10000"
}
}
}In this example, the attacker is placing an order and setting a negative tip value (`”data-tip”: “-10000″`). Since there’s no server-side validation, the application subtracts this tip from the total order amount, effectively giving the attacker a large discount on their order.
Mitigation Measures
To mitigate the risk posed by this vulnerability, users of the affected plugin are advised to apply the vendor patch as soon as it becomes available. In the meantime, the use of a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) could serve as a temporary mitigation strategy, providing an additional layer of security against potential exploitation.
