CVE-2025-69299: Laborator Oxygen SSRF Vulnerability

CVE-2025-69299 Overview

A Server-Side Request Forgery (SSRF) vulnerability has been identified in the Laborator Oxygen WordPress theme. This vulnerability allows attackers to manipulate server-side requests, potentially enabling access to internal resources, bypassing security controls, and interacting with services that should not be publicly accessible. The vulnerability affects Oxygen theme versions through 6.0.8.

Critical Impact

Attackers can exploit this SSRF vulnerability to forge requests from the vulnerable server, potentially accessing internal services, cloud metadata endpoints, or other protected resources within the network infrastructure.

Affected Products

• Laborator Oxygen WordPress Theme versions up to and including 6.0.8
• WordPress installations utilizing the Oxygen theme

Discovery Timeline

• 2026-02-20 - CVE-2025-69299 published to NVD
• 2026-02-24 - Last updated in NVD database

Technical Details for CVE-2025-69299

Vulnerability Analysis

This Server-Side Request Forgery (SSRF) vulnerability exists in the Laborator Oxygen WordPress theme. SSRF vulnerabilities occur when an application can be manipulated to make HTTP requests to arbitrary destinations chosen by the attacker. In this case, the Oxygen theme fails to properly validate or sanitize user-supplied URLs before making server-side requests.

The vulnerability is classified under CWE-918 (Server-Side Request Forgery), which describes scenarios where a web application fetches remote resources without sufficiently validating the user-supplied URL. This allows attackers to coerce the application to send crafted requests to unexpected destinations.

Root Cause

The root cause of this vulnerability stems from insufficient input validation on URL parameters within the Oxygen theme. The application accepts user-controlled input that influences server-side HTTP requests without adequate validation, allowing attackers to specify arbitrary internal or external destinations. This lack of URL scheme, host, and port restrictions enables the exploitation of the server as a proxy to reach otherwise inaccessible resources.

Attack Vector

The attack vector for CVE-2025-69299 is network-based and requires no authentication or user interaction. An attacker can exploit this vulnerability remotely by crafting malicious requests to the vulnerable WordPress site running the Oxygen theme.

Common SSRF attack scenarios include:

• Internal Network Scanning: Attackers can probe internal IP addresses and ports to map the internal network infrastructure
• Cloud Metadata Access: On cloud platforms (AWS, GCP, Azure), attackers may access metadata endpoints (e.g., http://169.254.169.254/) to retrieve sensitive credentials and configuration data
• Bypassing Access Controls: The server can be used to access services restricted by IP-based allowlists
• Internal Service Exploitation: Attackers may interact with internal services such as databases, caches, or administration interfaces

The vulnerability can be exploited by supplying a malicious URL parameter that the Oxygen theme processes without proper validation. The server then makes requests to attacker-specified destinations, returning responses or confirming connectivity to internal resources.

Detection Methods for CVE-2025-69299

Indicators of Compromise

• Unusual outbound HTTP/HTTPS requests from the web server to internal IP addresses or cloud metadata endpoints
• Server logs showing requests to localhost (127.0.0.1), private IP ranges (10.x.x.x, 172.16.x.x-172.31.x.x, 192.168.x.x), or link-local addresses (169.254.x.x)
• Unexpected connections to internal services that should not be accessed by the web application
• Web application firewall (WAF) alerts for SSRF attack patterns

Detection Strategies

• Monitor web server access logs for URL parameters containing internal IP addresses, localhost references, or cloud metadata endpoints
• Implement network-level monitoring for outbound connections from web servers to internal network segments
• Deploy web application firewall rules specifically designed to detect SSRF patterns including URL redirection and internal resource access attempts
• Review DNS query logs for resolution of internal hostnames initiated by the web server

Monitoring Recommendations

• Configure egress filtering and monitoring on web servers to detect unauthorized outbound requests
• Implement logging for all HTTP client operations within the WordPress environment
• Set up alerts for access attempts to cloud provider metadata endpoints from web application servers
• Monitor for unusual traffic patterns between web servers and internal infrastructure components

How to Mitigate CVE-2025-69299

Immediate Actions Required

• Update the Laborator Oxygen theme to a patched version when available from the vendor
• Implement web application firewall (WAF) rules to block SSRF attack patterns targeting the Oxygen theme
• Review and restrict outbound network access from web servers to only necessary external destinations
• Audit WordPress installations to identify all instances running vulnerable Oxygen theme versions

Patch Information

Refer to the Patchstack WordPress Vulnerability Report for official patch information and updates from Laborator. Users should update to a version higher than 6.0.8 when a security patch becomes available.

Workarounds

• Implement egress filtering on the web server to block outbound requests to internal IP ranges and cloud metadata endpoints
• Configure a web application firewall to inspect and block requests containing suspicious URL parameters
• If the vulnerable functionality is not required, consider disabling or removing the affected feature within the theme
• Deploy network segmentation to limit the potential impact of SSRF exploitation by isolating web servers from sensitive internal resources

# Example: Block outbound access to cloud metadata endpoints using iptables
iptables -A OUTPUT -d 169.254.169.254 -j DROP

# Example: Block outbound access to internal network ranges
iptables -A OUTPUT -d 10.0.0.0/8 -j DROP
iptables -A OUTPUT -d 172.16.0.0/12 -j DROP
iptables -A OUTPUT -d 192.168.0.0/16 -j DROP