What’s Vulnerable › Vulnerabilities

CVE-2021-25083: Registrations for the Events Calendar < 2.7.10 - Reflected Cross-Site Scripting

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-01-24 · updated 2026-06-17
• Weakness: CWE-79

Description

The Registrations for the Events Calendar WordPress plugin before 2.7.10 does not escape the qtype parameter before outputting it back in an attribute in the settings page, leading to a Reflected Cross-Site Scripting

Affected products

• Registrations for the Events Calendar – Event Registration Plugin: through 2.7.10

References

• https://plugins.trac.wordpress.org/changeset/2648377
• https://wpscan.com/vulnerability/9b69544d-6a08-4757-901b-6ccf1cd00ecc
• https://plugins.trac.wordpress.org/changeset/2648377
• https://wpscan.com/vulnerability/9b69544d-6a08-4757-901b-6ccf1cd00ecc

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