How to fix CVE-2021-47920?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

CVE-2021-47920

MEDIUM

2026-02-01 [email protected]

XSS

5.4

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:01 vuln.today

CVE Published

Feb 01, 2026 - 13:15 nvd

MEDIUM 5.4

DescriptionNVD

WebMO Job Manager 20.0 contains a cross-site scripting vulnerability in search parameters that allows remote attackers to inject malicious script code. Attackers can exploit the filterSearch and filterSearchType parameters to perform non-persistent attacks including session hijacking and external redirects.

AnalysisAI

WebMO Job Manager 20.0 contains a cross-site scripting vulnerability in search parameters that allows remote attackers to inject malicious script code. [CVSS 5.4 MEDIUM]

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects the search component of search parameters. WebMO Job Manager 20.0 contains a cross-site scripting vulnerability in search parameters that allows remote attackers to inject malicious script code. Attackers can exploit the filterSearch and filterSearchType parameters to perform non-persistent attacks including session hijacking and external redirects.

Affected ProductsAI

Product: search parameters. Component: search.

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-2021-47920 vulnerability details – vuln.today

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