CVE-2022-3987: Responsive Lightbox2 < 1.0.4 - Contributor+ Stored XSS

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-12-19 · updated 2026-06-17
Weakness: CWE-79

Description

The Responsive Lightbox2 WordPress plugin before 1.0.4 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks

Affected products

Responsive Lightbox2: before 1.0.4 — fixed in 1.0.4

How to fix

Upgrade to a fixed version: Responsive Lightbox2 1.0.4. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/d9309a09-34ba-4e56-b683-e677ad277b29
https://wpscan.com/vulnerability/d9309a09-34ba-4e56-b683-e677ad277b29

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