What’s Vulnerable › Vulnerabilities

CVE-2021-34655: WP Songbook <= 2.0.11 Reflected Cross-Site Scripting

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-08-16 · updated 2026-06-17
• Weakness: CWE-79

Description

The WP Songbook WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the url parameter found in the ~/inc/class.ajax.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 2.0.11.

Affected products

• WP Songbook: through 2.0.11

References

• https://plugins.trac.wordpress.org/browser/wp-songbook/tags/2.0.11/inc/class.ajax.php#L21
• https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34655
• https://plugins.trac.wordpress.org/browser/wp-songbook/tags/2.0.11/inc/class.ajax.php#L21
• https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34655

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