What is the CVSS score of CVE-2026-5710?

CVE-2026-5710 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.1%.

Which versions of WordPress are affected by CVE-2026-5710?

The Drag and Drop Multiple File Upload for Contact Form 7 plugin (versions ≤1.3.9.6) contains a path traversal vulnerability that allows unauthenticated attackers to read and exfiltrate arbitrary…

How to fix or mitigate CVE-2026-5710?

Within 24 hours: Identify all WordPress installations using 'Drag and Drop Multiple File Upload for Contact Form 7' plugin and document current versions via admin dashboard or WP-CLI. Within 7 days: Immediately disable and remove the plugin from all affected installations (versions ≤1.3.9.6); if functionality is required, evaluate alternative file upload solutions that include server-side validation. Within 30 days: Implement file upload security controls: (1) configure web server to deny direct access to wp-content/uploads with appropriate .htaccess or Nginx rules, (2) enable WordPress security plugins with malicious file detection, (3) conduct log review for exploitation attempts (POST requests to plugin upload handlers with path traversal patterns like ../ or ..\).

WordPress CVE-2026-5710

EUVD-2026-23458 HIGH

Path Traversal (CWE-22)

2026-04-17 Wordfence

GHSA-j54c-rr2x-ff86

File Upload Path Traversal WordPress

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Re-analysis Queued

Apr 22, 2026 - 20:37 vuln.today

cvss_changed

Analysis Generated

Apr 17, 2026 - 18:44 vuln.today

EUVD ID Assigned

Apr 17, 2026 - 18:15 euvd

EUVD-2026-23458

Analysis Generated

Apr 17, 2026 - 18:15 vuln.today

CVE Published

Apr 17, 2026 - 17:25 nvd

HIGH 7.5

DescriptionCVE.org

The Drag and Drop Multiple File Upload for Contact Form 7 plugin for WordPress is vulnerable to Path Traversal leading to Arbitrary File Read in versions up to and including 1.3.9.6. This is due to the plugin using client-supplied mfile[] POST values as the source of truth for email attachment selection without performing any server-side upload provenance check, path canonicalization, or directory containment boundary enforcement. In dnd_wpcf7_posted_data(), each user-submitted filename is directly appended to the plugin's upload URL without sanitization. In dnd_cf7_mail_components(), the URL is converted back to a filesystem path using str_replace() and only file_exists() is used as the acceptance check before attaching the file to the outgoing CF7 email. This makes it possible for unauthenticated attackers to read and exfiltrate arbitrary files readable by the web server process via path traversal sequences in the mfile[] parameter, with files being disclosed as email attachments. Note: This vulnerability is limited to the 'wp-content' folder due to the wpcf7_is_file_path_in_content_dir() function in the Contact Form 7 plugin.

AnalysisAI

Path traversal in Drag and Drop Multiple File Upload for Contact Form 7 WordPress plugin (versions ≤1.3.9.6) allows unauthenticated remote attackers to read arbitrary files within wp-content/ directory and exfiltrate them via email attachments. The plugin accepts client-supplied mfile[] POST parameters without server-side validation, directly converting user-controlled filenames to filesystem paths. CVSS 7.5 (High) reflects network attack vector with no authentication required. SSVC marks this as automatable with partial technical impact. No active exploitation confirmed (SSVC: exploitation=none), but the attack complexity is low and requires no user interaction, making this a realistic pre-authentication data exposure risk for sites using this plugin.