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CVE-2021-31631: b2evolution CMS v7.2.3 was discovered to contain a Cross-Site Request Forgery (CSRF) via the User login page. This vulnerability allows attackers to escalate privileges.

CVE-2021-31631 · published 4 years ago

Summary

b2evolution CMS v7.2.3 was discovered to contain a Cross-Site Request Forgery (CSRF) via the User login page. This vulnerability allows attackers to escalate privileges.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software

Vendor	Product	Affected versions
b2evolution	b2evolution_cms	7.2.3 `cpe:2.3:a:b2evolution:b2evolution_cms:7.2.3:::::::*`

Original advisory text

b2evolution CMS v7.2.3 was discovered to contain a Cross-Site Request Forgery (CSRF) via the User login page. This vulnerability allows attackers to escalate privileges.

References

https://gist.github.com/stacksmasher007/76514ab2b782fb4383f1121e6fc19241 Exploit Third Party Advisory

Fix within

Internet-facing 14 days

Internal At next upgrade

Not known to be exploited
Needs hands-on effort to exploit (estimated)
Gives an attacker full control (estimated)

Severity

8.8 High

Exploitation

<1% chance of attack within 30 days

Type

CWE-352Cross-Site Request Forgery (CSRF)

Timeline

Published6 Dec 2021

Updated4 Nov 2026

First seen29 Sep 2026

Sources

CVE-2021-31631 · NVD

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