Is CVE-2026-1557 actively exploited?

Yes. CVE-2026-1557 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2026-1557 be exploited remotely?

Yes. CVE-2026-1557 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-1557?

CVE-2026-1557 has a CVSS score of 7.5 (HIGH) and an EPSS exploitation probability of 0.11%.

HOME VULNERABILITIESCVE-2026-1557

HIGHCISA KEVIN THE WILD

CVE-2026-1557

CWE-22Published: February 26, 2026· Updated: Feb 27, 2026

7.5

CVSS v3.1

EPSS:0.11%probability of exploitation in 30 daysPercentile:29.9th

Official 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.

NVD Source

Risk Analysis

The WP Responsive Images plugin for WordPress is vulnerable to path traversal, allowing unauthenticated attackers to read arbitrary files on the server. With a CVSS score of 7.5 and confirmed active exploitation, this vulnerability poses a significant risk for sensitive data exposure. Despite a low EPSS score, its presence in CISA's KEV catalog confirms its urgency.

This vulnerability is actively exploited in the wild and is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog. It is remotely exploitable without authentication.

Recommended Action

WordPress administrators using the WP Responsive Images plugin should update to version 1.0 or later to patch this path traversal vulnerability and prevent unauthorized file access.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2026-1557 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.

CISA has added CVE-2026-1557 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.