CVE-2026-6514 Overview
CVE-2026-6514 is a Server-Side Request Forgery (SSRF) vulnerability in the InfusedWoo Pro plugin for WordPress. The flaw exists in the popup_submit functionality and affects all versions up to and including 5.1.2. Unauthenticated attackers can trigger web requests from the vulnerable WordPress server to arbitrary destinations. This capability enables interaction with internal services that are not directly exposed to the internet. The issue is classified under CWE-918 for SSRF.
Critical Impact
Unauthenticated attackers can force the WordPress server to send requests to internal network resources, enabling reconnaissance and data retrieval from non-public services.
Affected Products
- InfusedWoo Pro plugin for WordPress, all versions up to and including 5.1.2
- WordPress sites running e-commerce deployments with InfusedWoo Pro enabled
- WooCommerce installations integrating the InfusedWoo Pro popup functionality
Discovery Timeline
- 2026-05-14 - CVE-2026-6514 published to NVD
- 2026-05-14 - Last updated in NVD database
Technical Details for CVE-2026-6514
Vulnerability Analysis
The vulnerability resides in the popup_submit handler of the InfusedWoo Pro plugin. The handler accepts user-supplied input that is used to construct an outbound HTTP request without sufficient validation of the destination. An unauthenticated remote attacker can craft a request that causes the WordPress server to fetch arbitrary URLs. The attacker can target internal IP ranges, cloud metadata endpoints, and administrative interfaces reachable only from the server itself. While the CVSS vector indicates impact is limited to confidentiality, the description notes that the issue can be used to query and modify information from internal services.
Root Cause
The root cause is missing validation of URL parameters processed by the popup_submit function. The plugin trusts attacker-controlled input as the target of an outbound request. There is no allowlist of permitted hosts, no scheme restriction, and no network boundary enforcement. This pattern matches the SSRF weakness described in CWE-918.
Attack Vector
Exploitation is performed over the network without authentication or user interaction. An attacker sends a crafted HTTP request to the WordPress endpoint that invokes popup_submit with a URL parameter pointing to an internal or sensitive destination. The server processes the request and returns or acts on the response content. Common targets include http://127.0.0.1, cloud metadata services such as http://169.254.169.254, and internal admin panels. See the Wordfence Vulnerability Report for additional technical detail.
No public proof-of-concept code is referenced in the available data, so exploitation specifics are described in prose only.
Detection Methods for CVE-2026-6514
Indicators of Compromise
- Unexpected outbound HTTP requests from the WordPress host to internal IP ranges such as 10.0.0.0/8, 172.16.0.0/12, or 192.168.0.0/16
- Outbound requests from the web application to cloud metadata endpoints like 169.254.169.254
- Access log entries showing repeated popup_submit requests from a single source with varied URL parameters
Detection Strategies
- Inspect WordPress access logs for POST or GET requests invoking the popup_submit action of InfusedWoo Pro
- Correlate inbound requests to the plugin endpoint with outbound network connections from the PHP worker process
- Deploy web application firewall rules that flag URL parameters containing internal IP literals or non-HTTP schemes
Monitoring Recommendations
- Enable egress logging on the WordPress host and alert on connections to RFC1918 addresses or loopback
- Monitor for cloud instance metadata service access from web servers that should not require it
- Track plugin version inventory across WordPress fleets to identify InfusedWoo Pro installations at or below 5.1.2
How to Mitigate CVE-2026-6514
Immediate Actions Required
- Update InfusedWoo Pro to a version newer than 5.1.2 once the vendor publishes a fix, referencing the InfusedWoo Changelog
- Disable the InfusedWoo Pro plugin on production WordPress sites until a patched release is verified
- Restrict outbound traffic from WordPress servers to known, required destinations only
Patch Information
Review the InfusedWoo Changelog for the patched release addressing CVE-2026-6514. Apply the update across all WordPress instances running the affected plugin. Validate the fix by confirming that popup_submit rejects arbitrary external URLs after the upgrade.
Workarounds
- Block access to the vulnerable popup_submit endpoint at the web application firewall until a patch is applied
- Configure host-based firewall rules to deny outbound connections from the PHP-FPM or web server user to internal network ranges and metadata services
- Use a forward proxy with an allowlist for outbound HTTP requests originating from WordPress servers
# Example iptables rule to block egress to cloud metadata service from the web server user
iptables -A OUTPUT -m owner --uid-owner www-data \
-d 169.254.169.254 -j REJECT
# Block egress to RFC1918 ranges from the web server user
iptables -A OUTPUT -m owner --uid-owner www-data -d 10.0.0.0/8 -j REJECT
iptables -A OUTPUT -m owner --uid-owner www-data -d 172.16.0.0/12 -j REJECT
iptables -A OUTPUT -m owner --uid-owner www-data -d 192.168.0.0/16 -j REJECT
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
