EUVD-2026-43137
GHSA-jjq9-3x6f-75pj
Severity by source
AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Primary rating from Vendor (Wordfence) · only source for this CVE.
CVSS VectorVendor: Wordfence
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Lifecycle Timeline
2DescriptionCVE.org
The Planyo Online Reservation System plugin for WordPress is vulnerable to Server-Side Request Forgery leading to Local File Inclusion in all versions up to, and including, 3.0. The ulap.php file acts as an AJAX proxy and is directly accessible without WordPress bootstrapping or any authentication. The send_http_post() function validates the host of the provided URL against an allowlist that includes 'localhost', but critically fails to validate the URL scheme/protocol. This makes it possible for unauthenticated attackers to supply a file:// URL (e.g., file://localhost/etc/passwd) which bypasses the host allowlist check because parse_url() returns 'localhost' as the host. The URL is then passed to curl_init() or fopen(), both of which support the file:// protocol, allowing the attacker to read arbitrary local files on the server and have their contents returned in the HTTP response. This can lead to disclosure of sensitive files such as /etc/passwd, wp-config.php (containing database credentials and authentication keys), and other server-side files.
Articles & Coverage 2
AnalysisAI
Arbitrary local file disclosure in the Planyo Online Reservation System WordPress plugin (all versions through 3.0) lets unauthenticated remote attackers read any server-side file. The ulap.php AJAX proxy is reachable without WordPress bootstrapping or authentication and validates only the URL host against an allowlist, not the scheme, so a file://localhost/ URL passes the check and is fetched via curl/fopen. …
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Within 24 hours: Identify all WordPress instances using Planyo plugin ≤3.0 and review server logs for evidence of file-access exploitation (search for requests to ulap.php AJAX endpoint and file:// URL schemes). …
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