CVE-2020-36395 Stored XSS in LavaLite 5.8.0

What is CVE-2020-36395?

CVE-2020-36395 is a medium-severity cross-site scripting vulnerability in n/a, published on 2 Jul 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

A stored cross site scripting (XSS) vulnerability in the /admin/user/team component of LavaLite 5.8.0 allows authenticated attackers to execute arbitrary web scripts or HTML via a crafted payload entered into the "New" parameter.

Weakness: CWE-79

Which versions are affected by CVE-2020-36395?

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

Products include Lavalite Lavalite.

How do I fix CVE-2020-36395?

Upgrade lavalite/cms to 5.8.0 or later.

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-2020-36395 being exploited?

There is no known exploitation of CVE-2020-36395 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2023-27238 LavaLite vulnerable to web cache poisoning Critical 9.8
• CVE-2025-70866 Auth bypass in n/a High 8.8
• CVE-2023-36983 Information disclosure in n/a High 7.5
• CVE-2023-36984 Information disclosure in n/a High 7.5
• CVE-2022-42188 Lavalite vulnerable to Arbitrary File Read via Directory Traversal High 7.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-vv33-27jm-cvxq.