What is the CVSS score of CVE-2021-47800?

CVE-2021-47800 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N. EPSS exploitation probability: 0.0%.

Is there a public PoC exploit available for CVE-2021-47800?

Yes, a public proof-of-concept exploit is available for CVE-2021-47800. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2021-47800?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify anti-CSRF tokens are enforced.

CVE-2021-47800

MEDIUM

Cross-Site Request Forgery (CSRF) (CWE-352)

2026-01-16 disclosure@vulncheck.com

CSRF

5.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Jan 16, 2026 - 15:55 vuln.today

Public exploit code

CVE Published

Jan 16, 2026 - 00:16 nvd

MEDIUM 5.3

DescriptionCVE.org

b2evolution 7.2.2 contains a cross-site request forgery vulnerability that allows attackers to modify admin account details without authentication. Attackers can craft a malicious HTML form to submit unauthorized changes to user profiles by tricking victims into loading a specially crafted webpage.

AnalysisAI

Technical ContextAI

Classified as CWE-352 (Cross-Site Request Forgery (CSRF)). b2evolution 7.2.2 contains a cross-site request forgery vulnerability that allows attackers to modify admin account details without authentication. Attackers can craft a malicious HTML form to submit unauthorized changes to user profiles by tricking victims into loading a specially crafted webpage.

Affected ProductsAI

b2evolution 7.2.2 contains a cross-site request forgery vulnerability that allows attackers to modify admin account details without authentication. At

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

CVE-2021-47800 vulnerability details – vuln.today

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CVE-2021-47800

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

Affected ProductsAI

RemediationAI

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External POC / Exploit Code