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  4. CVE 2026 116391 wordpress gs logo slider plugin 389 php object
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Back to active CVEs
High · CVSS 8.8CVE-2026-116391

WordPress GS Logo Slider plugin <= 3.8.9 - PHP Object Injection vulnerabilityCVE-2026-116391

Answer in brief

CVE-2026-116391 records a High severity (CVSS 8.8) vulnerability in WordPress GS Logo Slider plugin <= 3.8.9 - PHP Object Injection vulnerability. The current sources do not mark it as known exploited. The current feed maps GS Plugins/gs-logo-slider (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 28, 2026Updated Oct 28, 2026Source checked Oct 28, 2026First seen by HOL Oct 28, 2026Material review Oct 28, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.8
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 8.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps GS Plugins/gs-logo-slider (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
GS Plugins/gs-logo-slidergeneric>=0 <=3.8.9Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for GS Plugins/gs-logo-slider.
  2. 2Review the reported fix. Source-reported solution: Update the WordPress GS Logo Slider plugin to the latest available version (at least 3.9.0).

Evidence timeline and material changes

  1. Published upstream

    Oct 28, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 28, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 28, 2026

Sources and claim methodology

  • Source referencepatchstack.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • WordPress Dokan plugin <= 5.3.1 - PHP Object Injection vulnerabilityAlso CWE-502
  • WordPress Ultimate Member plugin <= 2.13.1 - PHP Object Injection vulnerabilityAlso CWE-502
  • WordPress Phoenix Media Rename plugin <= 3.13.5 - PHP Object Injection vulnerabilityAlso CWE-502
  • WordPress Filter Everything — WordPress & WooCommerce Filters plugin <= 1.9.7 - PHP Object Injection vulnerabilityAlso CWE-502
  • WordPress Accordion plugin <= 2.3.25 - PHP Object Injection vulnerabilityAlso CWE-502

Record context

Vulnerability class
Deserialization
EPSS
Not reported
CWE IDs
CWE-502
Source
CVE List V5
Source checked
Oct 28, 2026
References
1 linked source
Open source record