What is the CVSS score of CVE-2021-47906?

CVE-2021-47906 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%.

Is there a public PoC exploit available for CVE-2021-47906?

Yes, a public proof-of-concept exploit is available for CVE-2021-47906. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2021-47906?

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

CVE-2021-47906

MEDIUM

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

2026-01-23 disclosure@vulncheck.com

XSS

6.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.4 MEDIUM

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

Primary rating from NVD · only source for this CVE.

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 - 21:54 vuln.today

PoC Detected

Jan 26, 2026 - 15:03 vuln.today

Public exploit code

CVE Published

Jan 23, 2026 - 17:16 nvd

MEDIUM 6.4

DescriptionCVE.org

BloofoxCMS 0.5.2.1 contains a stored cross-site scripting vulnerability in the articles text parameter that allows authenticated attackers to inject malicious scripts. Attackers can insert malicious javascript payloads in the text field to execute scripts and potentially steal authenticated users' cookies.

AnalysisAI

BloofoxCMS 0.5.2.1 contains a stored cross-site scripting vulnerability in the articles text parameter that allows authenticated attackers to inject malicious scripts. [CVSS 6.4 MEDIUM]

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects the articles text component of articles text parameter. BloofoxCMS 0.5.2.1 contains a stored cross-site scripting vulnerability in the articles text parameter that allows authenticated attackers to inject malicious scripts. Attackers can insert malicious javascript payloads in the text field to execute scripts and potentially steal authenticated users' cookies.

Affected ProductsAI

Product: articles text parameter. Component: articles text.

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-2021-47906 vulnerability details – vuln.today

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