What is CVE-2021-36890?

CVE-2021-36890 is a medium-severity vulnerability in Supsystic Social Share Buttons, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2022-06-02.

How severe is CVE-2021-36890?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2021-36890 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

CSRF in Supsystic Social Share Buttons

CVE-2021-36890

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

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.004 (33.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Supsystic Social_share_buttons
Supsystic.com Social Share Buttons By Supsystic (Wordpress Plugin) — versions <= 2.2.2

Weakness classification (CWE)

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

Public proof-of-concept exploits

20142995/nuclei-templates

References

audit@patchstack.com (x_refsource_CONFIRM, Product, Third Party Advisory)
audit@patchstack.com (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2021-36890?: CVE-2021-36890 is a medium-severity vulnerability in Supsystic Social Share Buttons, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2022-06-02.
How severe is CVE-2021-36890?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2021-36890 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.