Webpushr <= 4.34.0 - Missing Authorization to Unauthenticated Stored Cross-Site Scripting

Missing Authorization
CVE CVE-2023-5620
CVSS High (7.2)
Publicly Published November 6, 2023
Last Updated January 22, 2024
Researcher Krzysztof Zając
Description

The Web Push Notifications – Webpushr plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the wpp_save_settings function in all versions up to, and including, 4.34.0. This makes it possible for unauthenticated attackers to modify plugin options and inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

References

1 affected software package

Software Type Plugin
Software Slug webpushr-web-push-notifications (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 4.34.0
Patched Version
  • 4.35.0
This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.
License: Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy. License Detail.