What’s Vulnerable › Vulnerabilities

CVE-2019-17550

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-11-13 · updated 2026-06-17
• Weakness: CWE-79

Description

The Blog2Social plugin before 5.9.0 for WordPress is affected by: Cross Site Scripting (XSS). The impact is: Allows an attacker to execute arbitrary HTML and JavaScript code via the b2s_id parameter. The component is: views/b2s/post.calendar.php. The attack vector is: When the Administrator is logged in, a reflected XSS may execute upon a click on a malicious URL.

Affected products

• pr-gateway Blog2Social: Social Media Auto Post & Scheduler: before 5.9.0 — fixed in 5.9.0

How to fix

Upgrade to a fixed version: pr-gateway Blog2Social: Social Media Auto Post & Scheduler 5.9.0. Check the vendor advisory for mitigations.

References

• https://plugins.trac.wordpress.org/changeset/2186043
• https://plugins.trac.wordpress.org/log/blog2social/
• https://wordpress.org/plugins/blog2social/#developers
• https://wpvulndb.com/vulnerabilities/9948
• https://plugins.trac.wordpress.org/changeset/2186043
• https://plugins.trac.wordpress.org/log/blog2social/
• https://wordpress.org/plugins/blog2social/#developers
• https://wpvulndb.com/vulnerabilities/9948

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