Which products and versions are affected by CVE-2026-1557?

Affected: WP Responsive Images (wordpress-plugin). The full list is in the CVE brief.

Is CVE-2026-1557 being exploited in the wild?

It is exploited in the wild, listed in Industry KEV feed since Apr 2, 2026.

Is CVE-2026-1557 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2026-1557?

No public exploit code is known.

Is there a fix for CVE-2026-1557?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2026-1557 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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Vulnerability Intelligence

CVE-2026-1557

Q: What is CVE-2026-1557?

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.

HighExploited

WP Responsive Images <= 1.0 - Unauthenticated Path Traversal to Arbitrary File Read via src

Published Feb 26, 2026 · Updated Apr 8, 2026 · Also known as 22c6f81b-d456-44b9-ba6c-8b207a9ee6e1

Key Facts

Patch immediately

CVE-2026-1557 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting WP Responsive Images (wordpress-plugin).
It is exploited in the wild, listed in Industry KEV feed since Apr 2, 2026. No public exploit code is known.
EPSS estimates a 1.8% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

7.5

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

EPSS (30-day exploit likelihood)

1.8%

Higher than 77.6% of all scored CVEs

Exploited in the wild

Yes

1 catalog listing

Public exploit code

None known

Get the full CVE-2026-1557 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

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.

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
Industry KEV feed	Apr 2, 2026	n/a	Not reported

Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
WP Responsive Imageswordpress-plugin	See advisory	n/a

Timeline

Publicly disclosed
Feb 26, 2026
Added to Industry KEV feed
Apr 2, 2026
Last updated
Apr 8, 2026

Weakness Type

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

References

5 more references in the full CVE brief

FAQ

Common Questions.

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.
Affected: WP Responsive Images (wordpress-plugin). The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Apr 2, 2026.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Is CVE-2026-1557 Running On Your Attack Surface?

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