CVE-2021-24656: unknown simple social media share buttons – social sharing for everyone Cross-site Scripting
Vulnerability summary
CVE-2021-24656 is a medium (CVSS 4.8) Cross-site Scripting vulnerability in unknown simple social media share buttons – social sharing for everyone. EPSS estimates a 0.62% chance of exploitation in the next 30 days, higher than 48.8% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 3.2.4.
Timeline
- 11-10-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 2 sources · 2 versions- wordfenceSource4.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
0.62%
Chance of exploitation in the next 30 days
Percentile
49%
Versus all other CVEs
30-day change
0.00 pp
From 0.62% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Unknown1 product
- simple social media share buttons – social sharing for everyone≥ 3.2.4, < 3.2.4
Wordpress1 product
- simple-social-buttons≤ 3.2.3 (fixed in 3.2.4)
Wpbrigade1 product
- simple_social_buttons< 3.2.4
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/8e897dcc-6e52-440b-83ad-b119c55751c7X Refsource MISCExploitThird Party Advisory