CVE-2021-36890
WordPress Social Share Buttons by Supsystic plugin <= 2.2.2 - Cross-Site Request Forgery (CSRF) vulnerability
Cross-Site Request Forgery (CSRF) vulnerability in Social Share Buttons by Supsystic plugin <= 2.2.2 at WordPress.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
WordPress Social Share Buttons by Supsystic plugin <= 2.2.2 - Cross-Site Request Forgery (CSRF) vulnerability
Cross-Site Request Forgery (CSRF) vulnerability in Social Share Buttons by Supsystic plugin <= 2.2.2 at WordPress.
- Record
CVE-2021-36890- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-352
- Updated
- 2026-11-02
EUVDEUVD-2021-23466
Cross-Site Request Forgery (CSRF) vulnerability in Social Share Buttons by Supsystic plugin <= 2.2.2 at WordPress.
- Record
EUVD-2021-23466- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-pmhc-3rxf-8xmf
Cross-Site Request Forgery (CSRF) vulnerability in Social Share Buttons by Supsystic plugin <= 2...
Cross-Site Request Forgery (CSRF) vulnerability in Social Share Buttons by Supsystic plugin <= 2.2.2 at WordPress.
- Record
GHSA-pmhc-3rxf-8xmf- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-352
- Updated
- 2026-11-02
NVD
Cross-Site Request Forgery (CSRF) vulnerability in Social Share Buttons by Supsystic plugin <= 2.2.2 at WordPress.
- Record
CVE-2021-36890- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-352
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-36890 is a medium vulnerability (CVSS 4.3) in Supsystic Social Share Buttons, published May 31, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.43%, the 37th percentile. No source names a fixed version.
References
wordpress.org/plugins/social-share-buttons-by-supsystic
patchstack.com/database/vulnerability/social-share-buttons-by-supsystic/wordpress-social-share-buttons-by-supsystic-plugin-2-2-2-cross-site-request-forgery-csrf-vulnerability
nvd.nist.gov/vuln/detail/CVE-2021-36890
github.com/advisories/GHSA-pmhc-3rxf-8xmf