What is the CVSS score of CVE-2026-22346?

CVE-2026-22346 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

How to fix or mitigate CVE-2026-22346?

Within 24 hours: Identify all WordPress installations using Slider Responsive Slideshow plugin and document affected systems; disable the plugin immediately as a temporary measure. Within 7 days: Evaluate alternative slider plugins and plan migration strategy; monitor vendor communications for patch availability; review access logs for potential exploitation attempts. Within 30 days: Migrate to patched version or alternative plugin; conduct security audit of affected systems; implement Web Application Firewall rules to block deserialization attacks if plugin cannot be immediately removed.

CVE-2026-22346

HIGH

Deserialization of Untrusted Data (CWE-502)

2026-02-20 audit@patchstack.com

Deserialization

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:04 vuln.today

CVE Published

Feb 20, 2026 - 16:22 nvd

HIGH 8.8

DescriptionCVE.org

Deserialization of Untrusted Data vulnerability in A WP Life Slider Responsive Slideshow - Image slider, Gallery slideshow slider-responsive-slideshow allows Object Injection.This issue affects Slider Responsive Slideshow - Image slider, Gallery slideshow: from n/a through <= 1.5.4.

AnalysisAI

The Slider Responsive Slideshow WordPress plugin through version 1.5.4 contains an unsafe deserialization flaw that enables authenticated attackers to inject arbitrary objects and achieve remote code execution. An attacker with user-level access can exploit this vulnerability to compromise the affected website with high impact to confidentiality, integrity, and availability. No patch is currently available for this vulnerability.

Technical ContextAI

Classified as CWE-502 (Deserialization of Untrusted Data). Deserialization of Untrusted Data vulnerability in A WP Life Slider Responsive Slideshow – Image slider, Gallery slideshow slider-responsive-slideshow allows Object Injection.This issue affects Slider Responsive Slideshow – Image slider, Gallery slideshow: from n/a through <= 1.5.4.

Affected ProductsAI

Deserialization of Untrusted Data vulnerability in A WP Life Slider Responsive Slideshow – Image slider, Gallery slideshow slider-responsive-slideshow