BIT-joomla-2021-26032

vendorUSosv

[20210501] - Core - Adding HTML to the executable block list of MediaHelper::canUpload

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

An issue was discovered in Joomla! 3.0.0 through 3.9.26. HTML was missing in the executable block list of MediaHelper::canUpload, leading to XSS attack vectors.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2021-26032US	medium6.1	0.81% (57th)	—	2021-05-26
An issue was discovered in Joomla! 3.0.0 through 3.9.26. HTML was missing in the executable block list of MediaHelper::canUpload, leading to XSS attack vectors.

references

External citations — patches, advisories, analysis.

https://developer.joomla.org/security-centre/852-20210501-core-adding-html-to-the-executable-block-list-of-mediahelper-canupload.htmlADVISORY
https://nvd.nist.gov/vuln/detail/CVE-2021-26032WEB

scry

Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.

Free scan