CVE-2025-3649: lightbox XSS — Exploit

Description

The LightPress Lightbox WordPress plugin before 2.3.4 does not check download links point to valid, non-Javascript URLs, allowing users with at least the contributor role to conduct Stored XSS attacks.

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CVSS v3.1 Score

6.8

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
lightpress	lightbox	< 2.3.4

References

Exploits

https://wpscan.com/vulnerability/37fb7f3b-1766-4c2c-9b78-f77f15a04476/

Frequently Asked Questions

What is CVE-2025-3649? +

The LightPress Lightbox WordPress plugin before 2.3.4 does not check download links point to valid, non-Javascript URLs, allowing users with at least the contributor role to conduct Stored XSS attacks. It has a CVSS v3.1 base score of 6.8 (MEDIUM).

How severe is CVE-2025-3649? +

CVE-2025-3649 has a CVSS v3.1 score of 6.8 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-3649? +

CVE-2025-3649 affects products from lightpress, specifically: lightbox. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-3649? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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