CVE-2021-36849
WordPress Social Media Share Buttons plugin <= 3.8.1 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability
Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in René Hermenau's Social Media Share Buttons plugin <= 3.8.1 at WordPress.
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
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
WordPress Social Media Share Buttons plugin <= 3.8.1 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability
Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in René Hermenau's Social Media Share Buttons plugin <= 3.8.1 at WordPress.
- Record
CVE-2021-36849- CVSS 3.1
- 3.4 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2021-23425
Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in René Hermenau's Social Media Share Buttons plugin <= 3.8.1 at WordPress.
- Record
EUVD-2021-23425- CVSS 3.1
- 3.4 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-h6g6-h7qh-75h9
Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in René Hermenau's Social...
Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in René Hermenau's Social Media Share Buttons plugin <= 3.8.1 at WordPress.
- Record
GHSA-h6g6-h7qh-75h9- CVSS 3.1
- 4.8 Medium
CVSS: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
NVD
Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in René Hermenau's Social Media Share Buttons plugin <= 3.8.1 at WordPress.
- Record
CVE-2021-36849- CVSS 3.1
- 3.4 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N - CVSS 3.1
- 4.8 Medium
CVSS: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
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-2021-36849 is a low vulnerability (CVSS 3.4) in Social Media Share Buttons Project Media Share Buttons, published July 20, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.52%, the 44th percentile. No source names a fixed version.