CVE-2021-36890 WordPress Social Share Buttons by Supsystic plugin <= 2.2.2 - Cross-Site Request Forgery (CSRF) vulnerability

Q: What is CVE-2021-36890?

CVE-2021-36890 is a medium-severity vulnerability in supsystic.com Social Share Buttons by Supsystic (WordPress plugin), published on 31 May 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Q: Is CVE-2021-36890 being exploited?

There is no known exploitation of CVE-2021-36890 in the wild and no public exploit code.

Q: How do I fix CVE-2021-36890?

No fix has been published for CVE-2021-36890 yet. Limit exposure of the affected software until one is available.

Medium 4.3 Published 31 May 2022 Updated 28 Apr 2026

Attackers can trick authenticated users into performing unintended actions in the Social Share Buttons plugin, potentially altering settings.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2021-36890?

CVE-2021-36890 is a medium-severity vulnerability in supsystic.com Social Share Buttons by Supsystic (WordPress plugin), published on 31 May 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Cross-Site Request Forgery (CSRF) vulnerability in Social Share Buttons by Supsystic plugin <= 2.2.2 at WordPress.

Weakness: CWE-352

Which versions are affected by CVE-2021-36890?

It affects 1 product.

Products include Supsystic Social Share Buttons.

How do I fix CVE-2021-36890?

No fix has been published for CVE-2021-36890 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-36890 being exploited?

There is no known exploitation of CVE-2021-36890 in the wild and no public exploit code.

Sources

Also known as GHSA-pmhc-3rxf-8xmf.