CVE-2025-5035 Firelight Lightbox < 2.3.16 - Contributor+ Stored XSS
Contributors can inject malicious scripts via unsanitized title attributes in Firelight Lightbox, leading to stored XSS attacks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-5035?
CVE-2025-5035 is a medium-severity cross-site scripting vulnerability in Unknown Firelight Lightbox, published on 27 Jun 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The Firelight Lightbox WordPress plugin before 2.3.16 does not sanitise and escape title attributes before outputting them in the page, which could allow users with a role as low as contributors to perform stored Cross-Site Scripting attacks.
Weakness: CWE-79
Which versions are affected by CVE-2025-5035?
It affects 1 product.
Products include Firelightwp Firelight Lightbox.
How do I fix CVE-2025-5035?
No fix has been published for CVE-2025-5035 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2025-5035 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-5035 exists.
Other vulnerabilities in Unknown Firelight Lightbox
Sources
Also known as GHSA-3244-863h-59jf.