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TI-2026-70513 Aliases CVE-2026-104684GHSA-42w6-r5c3-5hw2

Authorization bypass in Envira Gallery exposes non-public galleries

Priority LOW 19CWE-639Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-639.

Summary

The Envira Gallery WordPress plugin before 1.16.2 does not verify that a user is authorized to read a gallery before rendering it, which is an authorization bypass through a user-controlled key (CWE-639). An author can embed other users' non-public galleries, exposing their gallery metadata to unauthenticated visitors. An exploit is linked in the references.

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

Description from the CNA

The Envira Gallery WordPress plugin before 1.16.2 does not verify that a user is authorized to read a gallery before rendering it, allowing authors to embed and expose other users' non-public gallery metadata to unauthenticated visitors.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00218 12th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Envira Gallery (Unknown): 1.16.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownEnvira Gallerybefore 1.16.21.16.2Patch availableCNA
  • Envira Gallery VendorUnknown Affected before 1.16.2 Fixed in 1.16.2 Patch available CNA

Remediation

Update Envira Gallery to version 1.16.2 or later.

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

  • Fix · CNA Envira Gallery (Unknown) Fixed in 1.16.2

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Envira Gallery 1.16.2

    4 records Highest priority Priority LOW 4 LOW

    Other records, highest priority first

    • TI-2026-70510 Envira Gallery lets Multisite subsite admins install any pluginPriority LOW 33
    • TI-2026-70512 Envira Gallery lets contributors publish galleries without permissionPriority LOW 13
    • TI-2026-70511 Envira Gallery lets authors read titles of other users' private postsPriority LOW 13
    Show all 4 records →

Timeline

  1. 2026-10-11 Threatist record created from CVE-2026-104684
  2. 2026-10-11 Alias added: GHSA-42w6-r5c3-5hw2

References

Exploit 1

Sources

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