XSS in Lavalite
CVE-2025-71177
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (12.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Lavalite
- Lavalite Cms — versions 0
Weakness classification (CWE)
References
- github.com/LavaLite/cms/issues/420 (issue-tracking, Exploit, Issue Tracking)
- lavalite.org/ (Product, product)
- www.vulncheck.com/advisories/lavalite-cms-stored-xss-via-package-creation-and-s… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2025-71177?
- CVE-2025-71177 is a medium-severity vulnerability in Lavalite, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-01-23.
- How severe is CVE-2025-71177?
- Medium severity. CVSS v3 base score is 5.4 out of 10.