CVE-2023-2406
Event Registration Calendar By vcita <= 1.3.1 & Online Payments – Get Paid with PayPal, Square & Stripe <= 3.9.1 - Authenticated (Contributor+) Stored Cross-Site Scripting
CVSS Score
6.4
EPSS Score
0.0%
EPSS Percentile
0th
The Event Registration Calendar By vcita plugin, versions up to and including 3.9.1, and Online Payments – Get Paid with PayPal, Square & Stripe plugin, for WordPress are vulnerable to Stored Cross-Site Scripting via the 'email' parameter in versions up to, and including, 1.3.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with the edit_posts capability, such as contributors and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
| CWE | CWE-79 |
| Vendor | vcita |
| Product | event registration calendar by vcita |
| Published | Jun 3, 2023 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
vcita / Event Registration Calendar By vcita
0 ≤ 1.3.1
vcita / Online Payments – Get Paid with PayPal, Square & Stripe
0 ≤ 3.9.1
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/1ab05954-9999-43ff-8e3c-a987e2da1956?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/event-registration-calendar-by-vcita/trunk/system/parse_vcita_callback.php#L55 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/paypal-payment-button-by-vcita/trunk/system/parse_vcita_callback.php blog.jonh.eu: https://blog.jonh.eu/blog/security-vulnerabilities-in-wordpress-plugins-by-vcita plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2924420%40event-registration-calendar-by-vcita&new=2924420%40event-registration-calendar-by-vcita&sfp_email=&sfph_mail= plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2924423%40paypal-payment-button-by-vcita&new=2924423%40paypal-payment-button-by-vcita&sfp_email=&sfph_mail= plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/2924423/paypal-payment-button-by-vcita
Credits
Jonas Höbenreich