CVE-2021-24656
CVE-2021-24656 is a medium-severity vulnerability in Wpbrigade Simple Social Buttons with a CVSS 3.x base score of 4.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 4.8)
- CVSS v2: 3.5
- EPSS exploit prediction: 1% (44th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Wpbrigade Simple Social Buttons
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2021-24656?
- CVE-2021-24656 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2021-24656 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-24656?
- CVE-2021-24656 affects Wpbrigade Simple Social Buttons. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-24656?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-24656 published?
- CVE-2021-24656 was published on 2021-10-11 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:wpbrigade:simple_social_buttons:*:*:*:*:*:wordpress:*:*
More vulnerabilities in Wpbrigade Simple Social Buttons
- CVE-2023-5845 — Medium (CVSS 5.3): The Simple Social Media Share Buttons WordPress plugin before 5.1.1 leaks password-protected post content to…
- CVE-2024-13610 — Medium (CVSS 4.8): The Simple Social Media Share Buttons WordPress plugin before 6.0.0 does not sanitise and escape some of its settings,…
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