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Input validation vulnerability in LightBox Block – Gutenberg block for creating fully functional lightbox 1.1.30

  • Severity: medium-risk
  • Status: Fixed
  • Publication: July 16, 2025

The LightBox Block plugin for WordPress can be hacked through a vulnerability called Stored Cross-Site Scripting. This can happen in versions 1.1.30 and below because the plugin does not properly clean up user input and output. This means that attackers who have contributor-level access or higher can insert harmful code into pages, which will run whenever a user visits those pages.

Detected in:

All In One Lightbox – Display Images, Audio, and Video in Popups fixed vulnerable versions:
Lightbox Block – Display Images, Audio, and Video in Popups fixed vulnerable versions:
LightBox Block – Display Media in Lightbox Overlay fixed vulnerable versions:
LightBox Block – Gutenberg block for creating fully functional lightbox fixed vulnerable versions: >= * <= 1.1.30

This information is sourced from www.wpvulnerability.com. An open-source database of vulnerabilities maintained by the community. Help us out by submitting vulnerabilities!

Version compare shows which versions have a vulnerability. For example: >= 2.2.8 <= 2.2.21 means:

> from 2.2.8
= including 2.2.8 & 2.2.21
< to 2.2.21

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