Description
The WP Responsive Images plugin for WordPress is vulnerable to Path Traversal in all versions up to, and including, 1.0 via the 'src' parameter. This makes it possible for unauthenticated attackers to read the contents of arbitrary files on the server, which can contain sensitive information.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| stuartbates | WP Responsive Images | ≤ 1.0 | — |
Automated scanner template
A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.
- WP Responsive Images <= 1.0 - Arbitrary File Read http/cves/2026/CVE-2026-1557.yaml
Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/22c6f81b-d456-44b9-ba6c-8b207a9ee6e1?source=cve
- https://plugins.trac.wordpress.org/browser/wp-responsive-images/trunk/SBOutputFile.php#L33
- https://plugins.trac.wordpress.org/browser/wp-responsive-images/trunk/image_handler.php#L28
- https://plugins.trac.wordpress.org/browser/wp-responsive-images/tags/1.0/image_handler.php#L28
- https://plugins.trac.wordpress.org/browser/wp-responsive-images/trunk/WPResponsiveImages.php#L265
- https://plugins.trac.wordpress.org/browser/wp-responsive-images/tags/1.0/WPResponsiveImages.php#L265
- https://plugins.trac.wordpress.org/browser/wp-responsive-images/tags/1.0/SBOutputFile.php#L33