Friday, April 16, 2021

Joomla!: [20210401] - Core - Escape xss in logo parameter error pages (CVE-2021-26030)

Description
Inadequate escaping allowed XSS attacks using the logo parameter of the default templates on error pages.
Solution(s)
  • joomla-upgrade-3_9_26


  • References
  • https://attackerkb.com/topics/cve-2021-26030
  • CVE - 2021-26030
  • http://developer.joomla.org/security-centre/850-20210401-core-escape-xss-in-logo-parameter-error-pages.html




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    Thanks for everything Templateism - You should have written the code a little more complicated