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pCloud WP Backup EUVDEUVD-2026-45132

| CVE-2026-14503 MEDIUM
Information Exposure (CWE-200)
2026-07-17 Wordfence GHSA-6qxr-g8rc-cpg3
WordPress Information Disclosure PHP Pcloud Wp Backup
6.5
CVSS 3.1 · Vendor: Wordfence
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Severity by source

Vendor (Wordfence) PRIMARY
6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
vuln.today AI
6.5 MEDIUM

Network AJAX endpoint exploitable with subscriber-level credentials (PR:L); confidentiality is high due to wp-config.php and salt exposure; no integrity or availability impact applies.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (Wordfence).

CVSS VectorVendor: Wordfence

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

2
Analysis Generated
Jul 17, 2026 - 05:16 vuln.today
CVE Published
Jul 17, 2026 - 03:43 cve.org
MEDIUM 6.5

DescriptionCVE.org

The pCloud WP Backup plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.0.3 via the wp2pcl_ajax_process_request_inner. This makes it possible for authenticated attackers, with subscriber-level access and above, to extract force generation of a full-site backup archive written to a publicly accessible directory, exposing wp-config.php database credentials, WordPress secret salts, and the complete PHP source tree. The resulting archive is deposited in the plugin's unprotected tmp/ directory at a predictable URL, making the extracted data accessible to unauthenticated visitors once the backup is triggered.

AnalysisAI

Sensitive information exposure in the pCloud WP Backup WordPress plugin (all versions up to and including 2.0.3) allows subscriber-level authenticated users to trigger full-site backup archive generation via the unprotected wp2pcl_ajax_process_request_inner AJAX endpoint. The resulting archive is deposited in the plugin's publicly web-accessible tmp/ directory at a predictable URL, exposing wp-config.php database credentials, WordPress authentication secret salts, and the complete PHP source tree to unauthenticated HTTP retrieval by any internet visitor. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Obtain subscriber credentials via self-registration
Delivery
Authenticate and POST to wp2pcl_ajax_process_request_inner
Exploit
Plugin generates full-site backup archive
Execution
Archive deposited at predictable public tmp/ URL
Persist
Unauthenticated HTTP GET retrieves archive
Impact
Extract wp-config.php for database credentials and secret salts
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Vulnerability AssessmentAI

Exploitation The pCloud WP Backup plugin version 2.0.3 or earlier must be installed and activated on the WordPress site. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The provided CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) scores 6.5, which underrepresents operational risk due to the two-phase attack structure. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker registers a free subscriber account on a target WordPress site with open registration enabled, then sends an authenticated AJAX POST request to the `wp2pcl_ajax_process_request_inner` endpoint, causing the plugin to generate a complete site backup archive. Without any further authenticated action, the attacker (or any third party aware of the naming scheme) issues an unauthenticated HTTP GET to the predictable archive path under the plugin's `tmp/` directory, downloads the backup, and extracts `wp-config.php` to obtain database credentials for direct MySQL access and WordPress secret salts for session cookie forgery.
Remediation Update the pCloud WP Backup plugin to the version incorporating WordPress plugin repository changeset 3597399; the Wordfence advisory at https://www.wordfence.com/threat-intel/vulnerabilities/id/0b301c6e-a3c5-4435-9bc9-fab18085fe2d should be consulted for the confirmed patched release version once published. … Detailed patch versions, workarounds, and compensating controls in full report.
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EUVD-2026-45132 vulnerability details – vuln.today
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