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CVE-2026-116391— WordPress GS Logo Slider plugin <= 3.8.9 - PHP Object Injection vulnerability

Quick assessment

Affected
GS Plugins GS Logo Slider
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GS Plugins 旗下的 GS Logo Slider（gs-logo-slider）插件存在不可信数据反序列化漏洞，可导致对象注入。该问题影响 GS Logo Slider 插件的所有版本，从未知版本起直至 3.8.9 版本。

CVSS 8.8 · High

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2026-116391

Vulnerability Information
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Vulnerability Title
WordPress GS Logo Slider plugin <= 3.8.9 - PHP Object Injection vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Deserialization of Untrusted Data vulnerability in GS Plugins GS Logo Slider gs-logo-slider allows Object Injection.This issue affects GS Logo Slider: from n/a through 3.8.9.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
GS Plugins GS Logo Slider 0 ~ 3.8.9 -

II. Public POCs for CVE-2026-116391

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III. Intelligence Information for CVE-2026-116391

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Other References for CVE-2026-116391 (1)

IV. Related Vulnerabilities

Same product: GS Logo Slider
Same vendor: GS Plugins
Same weakness: CWE-502