How to fix CVE-2020-36966?

Within 30 days: Identify affected systems running LDAP synchronization settings that allows attackers to injec and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Is PHP affected by CVE-2020-36966?

Organizations using LDAP synchronization settings that allows attackers to inject malicious scripts should be aware of moderate risk from CVE-2020-36966, a cross-site scripting vulnerability rated CVSS 6.4. Attackers could inject scripts to steal sessions or perform actions as authenticated users.

CVE-2020-36966

MEDIUM

2026-01-30 [email protected]

6.4

CVSS 3.1

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:00 vuln.today

PoC Detected

Feb 04, 2026 - 16:34 vuln.today

Public exploit code

CVE Published

Jan 30, 2026 - 17:16 nvd

MEDIUM 6.4

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.

Analysis

Technical Context

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects the multiple component of LDAP synchronization settings. 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.

Affected Products

Product: LDAP synchronization settings. Component: multiple.

Remediation

Monitor vendor advisories for a patch. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.0

CVSS: +32

POC: +20

CVE-2020-36966 vulnerability details – vuln.today

Back

CVE-2020-36966

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

Share

CVE-2020-36966

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

Share

External POC / Exploit Code