CVE-2020-36966 Dolibarr 11.0.3 - 'ldap.php' - Persistent Cross-Site Scripting

Medium 5.1 Published Updated

Attackers can inject malicious scripts into LDAP settings to steal user cookies and potentially take over accounts in Dolibarr.

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-2020-36966?

CVE-2020-36966 is a medium-severity cross-site scripting vulnerability in Dolibarr, published on 30 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

Dolibarr 11.0.3 contains a persistent cross-site scripting vulnerability in LDAP synchronization settings that allows attackers to inject malicious scripts through multiple parameters. Attackers can exploit the host, slave, and port parameters in /dolibarr/admin/ldap.php to execute arbitrary JavaScript and potentially steal user cookie information.

Weakness: CWE-79

Which versions are affected by CVE-2020-36966?

How do I fix CVE-2020-36966?

No fix has been published for CVE-2020-36966 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-2020-36966 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-36966 exists.

Sources

Also known as GHSA-75ww-9jqw-jwf8, UBUNTU-CVE-2020-36966.

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