CVE-2026-1557

HIGH EXPLOITED NUCLEI

WP Responsive Images <=1.0 - Path Traversal

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2026-1557 has been observed exploited in the wild (reported by VulnCheck KEV). EIP tracks 1 public exploit from researchers including Sechunt3r. A Nuclei detection template is also available.

AI-analyzed exploit summary The repository contains a functional exploit for CVE-2026-1557, demonstrating a path traversal vulnerability in the WP Responsive Images WordPress plugin (version <= 1.0). The exploit allows unauthenticated attackers to read arbitrary files on the server via the 'src' parameter in the image_handler.php script.

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.

Exploits (1)

github WORKING POC
by Sechunt3r · shellpoc
https://github.com/Sechunt3r/CVE-POCs/tree/main/CVE-2026-1557

The repository contains a functional exploit for CVE-2026-1557, demonstrating a path traversal vulnerability in the WP Responsive Images WordPress plugin (version <= 1.0). The exploit allows unauthenticated attackers to read arbitrary files on the server via the 'src' parameter in the image_handler.php script.

Classification
Working Poc 100%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: WP Responsive Images WordPress plugin <= 1.0
No auth needed
Prerequisites: Target must have the vulnerable WP Responsive Images plugin installed and accessible
devstral-2 · analyzed Mar 12, 2026 Full analysis →

Nuclei Templates (1)

WP Responsive Images <= 1.0 - Arbitrary File Read
HIGHVERIFIEDby Shivam Kamboj

Scores

CVSS v3 7.5
EPSS 0.2889
EPSS Percentile 96.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

VulnCheck KEV 2026-04-02
CWE
CWE-22
Status published
Products (1)
stuartbates/WP Responsive Images < 1.0
Published Feb 26, 2026
Tracked Since Feb 26, 2026