XSS in Wpbrigade Simple Social Buttons
CVE-2021-24656
The Simple Social Media Share Buttons WordPress plugin before 3.2.4 does not escape the Share Title settings before outputting it in the frontend pages or posts (depending on the settings used), allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.006 (45.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Wpbrigade Simple_social_buttons
- Unknown Simple Social Media Share Buttons – Sharing For Everyone — versions 3.2.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- contact@wpscan.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-24656?
- CVE-2021-24656 is a medium-severity vulnerability in Wpbrigade Simple Social Buttons, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-10-11.
- How severe is CVE-2021-24656?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2021-24656 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.