Cross-site scripting in vcita Event Registration Calendar By vcita
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| vcita | Event Registration Calendar By vcita | up to 1.3.1 | — | No fix listed | CNA |
| vcita | Online Payments – Get Paid with PayPal, Square & Stripe | up to 3.9.1 | — | No fix listed | CNA |
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-2406
- 2026-10-03 Alias added: GHSA-g4r7-hv6x-5c72
References
Exploit 3
- https://plugins.trac.wordpress.org/browser/event-registration-calendar-by-vcita/trunk/system/parse_vcita_callback.php#L55
- https://plugins.trac.wordpress.org/browser/paypal-payment-button-by-vcita/trunk/system/parse_vcita_callback.php
- https://blog.jonh.eu/blog/security-vulnerabilities-in-wordpress-plugins-by-vcita
Other 4
- https://www.wordfence.com/threat-intel/vulnerabilities/id/1ab05954-9999-43ff-8e3c-a987e2da1956?source=cve
- 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=
- 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=
- https://plugins.trac.wordpress.org/changeset/2924423/paypal-payment-button-by-vcita
More vcita Event Registration Calendar By Vcita vulnerabilities
- TI-2023-02261 Cross-site request forgery in vcita Event Registration Calendar By vcita CVSS 3.1MEDIUM 6.5
Sources
- CVE-2023-2406 · CVE Program
- CVE-2023-2406 · NVD
- FIRST EPSS
- GHSA-g4r7-hv6x-5c72 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences