NextGEN Gallery < 4.5.0 - Authenticated Cross-Gallery Settings Modification via IDOR (CVE-2026-81651) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-81651

NextGEN Gallery < 4.5.0 - Authenticated Cross-Gallery Settings Modification via IDOR

Answer in brief

CVE-2026-81651 records a Unknown severity vulnerability in NextGEN Gallery < 4.5.0 - Authenticated Cross-Gallery Settings Modification via IDOR. The current sources do not mark it as known exploited. The current feed maps Unknown/Photo Gallery, Sliders, Proofing and Themes (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 Sep 20, 2026Updated Sep 20, 2026Source checked Sep 20, 2026First seen by HOL Sep 20, 2026Material review Sep 20, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

A CVSS score is not reported in the current record. 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 Unknown/Photo Gallery, Sliders, Proofing and Themes (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Unknown/Photo Gallery, Sliders, Proofing and Themesgeneric	>=0 <4.5.0	4.5.0

Recommended response

Check inventory. Check lockfiles and deployed manifests for Unknown/Photo Gallery, Sliders, Proofing and Themes.
Review the reported fix. Update Unknown/Photo Gallery, Sliders, Proofing and Themes to 4.5.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Sep 20, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 20, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 20, 2026

Sources and claim methodology

Source referencewpscan.com

Upstream source description

The Photo Gallery, Sliders, Proofing and WordPress plugin before 4.5.0 does not verify that the user saving a gallery owns it, allowing any user granted its gallery-management capability by an administrator to overwrite the stored settings of any gallery on the site, including its filesystem path, and including galleries belonging to other users.

Quoted source text, attributed separately from HOL analysis.