CVE-2023-2406

6.4 MEDIUM
Published: June 03, 2023 Modified: April 08, 2026
View on NVD

Description

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://blog.jonh.eu/blog/security-vulnerabilities-in-wordpress-plugins-by-vcita
Source: security@wordfence.com
Exploit Third Party Advisory
https://plugins.trac.wordpress.org/browser/event-registration-calendar-by-vcita/trunk/system/parse_vcita_callback.php#L55
Source: security@wordfence.com
Exploit
https://plugins.trac.wordpress.org/browser/paypal-payment-button-by-vcita/trunk/system/parse_vcita_callback.php
Source: security@wordfence.com
Exploit
https://plugins.trac.wordpress.org/changeset/2924423/paypal-payment-button-by-vcita
Source: security@wordfence.com
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=
Source: security@wordfence.com
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=
Source: security@wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/1ab05954-9999-43ff-8e3c-a987e2da1956?source=cve
Source: security@wordfence.com
Broken Link
https://blog.jonh.eu/blog/security-vulnerabilities-in-wordpress-plugins-by-vcita
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory
https://plugins.trac.wordpress.org/browser/event-registration-calendar-by-vcita/trunk/system/parse_vcita_callback.php#L55
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit
https://plugins.trac.wordpress.org/browser/paypal-payment-button-by-vcita/trunk/system/parse_vcita_callback.php
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit
https://www.wordfence.com/threat-intel/vulnerabilities/id/1ab05954-9999-43ff-8e3c-a987e2da1956?source=cve
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link

11 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.4 / 10.0
EPSS (Exploit Probability)
0.1%
32th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-79 CWE-79

Affected Vendors

vcita

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