What is the CVSS score of CVE-2020-36966?

CVE-2020-36966 has a CVSS 3.1 base score of 6.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of PHP are 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…

Is there a public PoC exploit available for CVE-2020-36966?

Yes, a public proof-of-concept exploit is available for CVE-2020-36966. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate 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.

PHP CVE-2020-36966

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2026-01-30 disclosure@vulncheck.com

PHP XSS LDAP

6.4

CVSS 3.1

CVSS VectorNVD

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

DescriptionNVD

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.

AnalysisAI

Technical ContextAI

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 ProductsAI

Product: LDAP synchronization settings. Component: multiple.

RemediationAI

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

CVE-2020-36966 vulnerability details – vuln.today

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