WordPress Plugin RSVPMaker 2.5.4 – Persistent Cross-Site Scripting
# Exploit Title: WordPress RSVPMaker v2.5.4 Persistent XSS # Date: 8/12/12 # Exploit Author: Chris Kellum # Vendor Homepage: http://rsvpmaker.com/ # Software Link: http://downloads.wordpress.org/plugin/rsvpmaker.zip # Version: 2.5.4 ===================== Vulnerability Details ===================== The RSVP form does not properly sanitize input fields, allowing for XSS. Example: <script>alert(/xss/)</script> Plugin appears to escape apostrophes and quotes, but this can easily be circumvented. XSS will fire when the admin views the event's attendance list in the RSVP report section. =================== Disclosure Timeline =================== 8/4/12 - Vulnerability discovered. 8/4/12 - Vendor notified. 8/10/12 - Version 2.5.5 released. 8/12/12 - Public disclosure. |