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Vulnerabilities

Vulnerability · CVE-2021-47800

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

Published Jan 15, 2026 · catalog updated Apr 7, 2026 · B2Evolution

Last checked Oct 30, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2021-47800 is not in CISA KEV. FIRST estimates a 17.00% chance of exploitation in the next 30 days. Check whether you run B2Evolution.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
17.00%
Remediation
Vendor / distro source
Affected products
vendor B2Evolution b2evolution 7.2.2

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor B2Evolution b2evolution 7.2.27.2.2

How to fix CVE-2021-47800

  • No stored fix

    No vendor fix text is stored. Use the linked advisory before you change production.

  • Version check

    Seen in 7.2.2

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2021-47800 is not in CISA KEV. FIRST estimates a 17.00% chance of exploitation in the next 30 days. Check whether you run B2Evolution.

Which versions are affected?

Compare what you have installed with B2Evolution b2evolution 7.2.2 7.2.2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 17.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 15, 2026 · EUVD

    Detected

    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.

  2. Apr 7, 2026 · EUVD

    Updated

    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.

Sources

  • EUVDVulnerability recordEUVD-2026-3004

    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 special

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Apr 7, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • EUVDOct 30, 2026