CVE-2026-1557
CVE-2026-1557 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 2% (75th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-8805
- Weakness: CWE-22
- Published:
- Last modified:
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.
Frequently asked questions
- 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. This makes it possible for unauthenticated attackers to read the contents of arbitrary files on the server, which can contain sensitive information.
- How severe is CVE-2026-1557?
- CVE-2026-1557 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2026-1557 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-1557?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-1557 have an EU (EUVD) identifier?
- Yes. CVE-2026-1557 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8805.
- When was CVE-2026-1557 published?
- CVE-2026-1557 was published on 2026-02-26 and last updated on 2026-06-17.
References
- https://plugins.trac.wordpress.org/browser/wp-responsive-images/tags/1.0/SBOutputFile.php#L33
- 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/image_handler.php#L28
- https://plugins.trac.wordpress.org/browser/wp-responsive-images/trunk/SBOutputFile.php#L33
- https://plugins.trac.wordpress.org/browser/wp-responsive-images/trunk/WPResponsiveImages.php#L265
- https://plugins.trac.wordpress.org/browser/wp-responsive-images/trunk/image_handler.php#L28
- https://www.wordfence.com/threat-intel/vulnerabilities/id/22c6f81b-d456-44b9-ba6c-8b207a9ee6e1?source=cve
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