[20210501] - Core - Adding HTML to the executable block list of MediaHelper::canUpload
CVE-2021-26032

6.1MEDIUM

Key Information:

Vendor

Joomla
Status
Joomla! Cms
Vendor
CVE Published:
26 May 2021

What is CVE-2021-26032?

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.

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Deploy the Patch

Affected Version(s)

Joomla! CMS 3.0.0-3.9.26

References

https://developer.joomla.org/security-centre/852-20210501...
x_refsource_MISCvendor-advisory

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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