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Unrated severityNVD Advisory· Published May 26, 2021· Updated Feb 25, 2026

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

CVE-2021-26032

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Joomla/Joomla!llm-fuzzy2 versions
    >=3.0.0, <=3.9.26+ 1 more
    • (no CPE)range: >=3.0.0, <=3.9.26
    • (no CPE)range: 3.0.0-3.9.26
  • osv-coords
    pkg:bitnami/joomla
    Range: >= 3.0.0, <= 3.9.26

Patches

Vulnerability mechanics

References

1

News mentions

0

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