CVE-2026-22346
Slider Responsive Slideshow – Image slider, Gallery slideshow <= 1.5.4 - Authenticated (Contributor+) PHP Object Injection
highDeserialization of Untrusted Data
7.5
CVSS Score
7.5
CVSS Score
high
Severity
Unpatched
Patched in
N/A
Time to patch
Description
The Slider Responsive Slideshow – Image slider, Gallery slideshow plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 1.5.4 via deserialization of untrusted input. This makes it possible for authenticated attackers, with contributor-level access and above, to inject a PHP Object. No known POP chain is present in the vulnerable software. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.
CVSS Vector Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HAttack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
High
Confidentiality
High
Integrity
High
Availability
Technical Details
Affected versions
<=1.5.4PublishedFebruary 11, 2026
Last updatedFebruary 16, 2026
Affected pluginslider-responsive-slideshow
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