CVE-2021-21275 CSRF in MediaWiki Report extension

Medium 5.3 Published Updated

Attackers can forge requests to report revisions in the MediaWiki Report extension due to missing CSRF protection, requiring a patch to implement edit tokens.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-21275?

CVE-2021-21275 is a medium-severity vulnerability in Kenny2github Report, published on 25 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The MediaWiki "Report" extension has a Cross-Site Request Forgery (CSRF) vulnerability. Before fixed version, there was no protection against CSRF checks on Special:Report, so requests to report a revision could be forged. The problem has been fixed in commit f828dc6 by making use of MediaWiki edit tokens.

Weakness: CWE-352

Which versions are affected by CVE-2021-21275?

It affects 3 products.

Products include Oracle Communications Cloud Native Core Network Slice Selection Function, Oracle Communications Pricing Design Center, Report Project Report.

How do I fix CVE-2021-21275?

No fix has been published for CVE-2021-21275 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-21275 being exploited?

There is no known exploitation of CVE-2021-21275 in the wild and no public exploit code.

Sources

Also known as GHSA-9f3w-c334-jm2h.

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