CVE-2021-24137: Unvalidated input in the Blog2Social WordPress plugin, versions before 6.3.1, lead to SQL Injection in the Re-Share Posts feature, allowing authenticated users to inject arbitrary SQL commands.

high Affects blog2social (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published 2021-03-18; advisory modified 2026-06-17.

Unvalidated input in the Blog2Social WordPress plugin, versions before 6.3.1, lead to SQL Injection in the Re-Share Posts feature, allowing authenticated users to inject arbitrary SQL commands.

Package: blog2social (WordPress plugin) WordPress
Affected versions: <6.3.1
Fixed in: 6.3.1
Severity: high CVSS 8.8
Exploitation: not on CISA KEV · EPSS 2% (74.3th percentile)
Published: 2021-03-18
Source: nvd

References

CWE-89

NVD record blog2social (WordPress plugin) advisories

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