CVE-2021-36843

WordPress Floating Social Media Icon plugin <= 4.3.5 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability

4.8 Medium

Authenticated Stored Cross-Site Scripting (XSS) vulnerability discovered in WordPress Floating Social Media Icon plugin (versions <= 4.3.5) Social Media Configuration form. Requires high role user like admin.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.57%Down 0.1 points since Nov 27, 2021

What each source reports

CVE List Score used 4.8

WordPress Floating Social Media Icon plugin <= 4.3.5 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability

Record: CVE-2021-36843
CVSS 3.1: 4.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2021-23419 4.8

Record: EUVD-2021-23419
CVSS 3.1: 4.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-hw2w-x847-8444 No score

Authenticated Stored Cross-Site Scripting (XSS) vulnerability discovered in WordPress Floating...

Record: GHSA-hw2w-x847-8444
Weakness: CWE-79
Updated: 2026-11-02

NVD 4.8

Record: CVE-2021-36843
CVSS 3.1: 4.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 3.5 LowAV:N/AC:M/Au:S/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-36843 is a medium vulnerability (CVSS 4.8) in Acurax Floating Social Media Icon, published November 26, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.57%, the 47th percentile. No source names a fixed version.