CVE-2025-71177 LavaLite CMS <= 10.1.0 Stored XSS via Package Creation and Search

Q: What is CVE-2025-71177?

CVE-2025-71177 is a medium-severity cross-site scripting vulnerability in LavaLite CMS, published on 23 Jan 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Q: Which versions are affected by CVE-2025-71177?

2 open source packages ship an affected version, including lavalite/cms. It affects 1 product.

Q: Is CVE-2025-71177 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-71177 exists.

Q: How do I fix CVE-2025-71177?

No fix has been published for CVE-2025-71177 yet. Limit exposure of the affected software until one is available.

Medium 5.1 Published 23 Jan 2026 Updated 8 Oct 2026

Authenticated users can inject malicious scripts via package fields, leading to session hijacking and credential theft for other users viewing search results.

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-2025-71177?

CVE-2025-71177 is a medium-severity cross-site scripting vulnerability in LavaLite CMS, published on 23 Jan 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

LavaLite CMS versions up to and including 10.1.0 contain a stored cross-site scripting vulnerability in the package creation and search functionality. Authenticated users can supply crafted HTML or JavaScript in the package Name or Description fields that is stored and later rendered without proper output encoding in package search results. When other users view search results that include the malicious package, the injected script executes in their browsers, potentially enabling session hijacking, credential theft, and unauthorized actions in the context of the victim.

Weakness: CWE-79

Which versions are affected by CVE-2025-71177?

2 open source packages ship an affected version, including lavalite/cms. It affects 1 product.

Package	Affected	Fixed in
`lavalite/cms` Packagist	All versions to `10.1.0`	None
`lavalite/cms` Packagist	All versions to `10.1.0`	None

Products include Lavalite Lavalite.

How do I fix CVE-2025-71177?

No fix has been published for CVE-2025-71177 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-2025-71177 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-71177 exists.

Sources

Also known as GHSA-w7rq-fgx4-4xcm.