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TI-2026-81974 Aliases CVE-2026-116391GHSA-mcxv-6x48-wcc3

PHP object injection in WordPress GS Logo Slider plugin

Priority MEDIUM 40CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

The GS Logo Slider plugin for WordPress by GS Plugins is affected through version 3.8.9. Deserialization of untrusted data (CWE-502) lets attackers inject PHP objects. A remote attacker with low privileges can exploit this without user interaction, with high impact to confidentiality, integrity and availability.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00374 31st percentileScored 2026-11-08
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GS PluginsGS Logo Sliderup to 3.8.9—No fix listedCNA
  • GS Logo Slider VendorGS Plugins Affected up to 3.8.9 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for GS Logo Slider.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-28 Threatist record created from CVE-2026-116391
  2. 2026-10-28 Alias added: GHSA-mcxv-6x48-wcc3
  3. 2026-10-29 CISA SSVC decision points changed
  4. 2026-10-29 Priority changed: MEDIUM → LOW
  5. 2026-10-30 Priority changed: LOW → MEDIUM

References

Other 1

  • TI-2023-00512 GS Books Showcase < 1.3.1 - Contributor+ Stored XSS CVSS 3.1MEDIUM 6.8
  • TI-2023-00530 GS Portfolio for Envato < 1.4.0 - Contributor+ Stored XSS CVSS 3.1MEDIUM 5.4
  • TI-2023-00511 GS Filterable Portfolio < 1.6.1 - Contributor+ Stored XSS CVSS 3.1MEDIUM 5.4
  • TI-2023-00510 GS Insever Portfolio < 1.4.5 - Contributor+ Stored XSS CVSS 3.1MEDIUM 5.4
  • TI-2023-00466 GS Products Slider for WooCommerce < 1.5.9 - Contributor+ Stored XSS CVSS 3.1MEDIUM 5.4
  • TI-2022-04225 GS Logo Slider < 3.3.8 - Contributor+ Stored XSS in Shortcode CVSS 3.1MEDIUM 5.4
See all 26 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences