BIT-joomla-2021-26030

vendorUSosv

[20210401] - Core - Escape xss in logo parameter error pages

view advisory published 2025-04-03Licence: per source

An issue was discovered in Joomla! 3.0.0 through 3.9.25. Inadequate escaping allowed XSS attacks using the logo parameter of the default templates on error page

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2021-26030US	medium6.1	82.3% (100th)	—	2021-04-14
An issue was discovered in Joomla! 3.0.0 through 3.9.25. Inadequate escaping allowed XSS attacks using the logo parameter of the default templates on error page

references

External citations — patches, advisories, analysis.

https://developer.joomla.org/security-centre/850-20210401-core-escape-xss-in-logo-parameter-error-pages.htmlADVISORY
https://nvd.nist.gov/vuln/detail/CVE-2021-26030WEB

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