CVE-2021-26032 (GCVE-0-2021-26032)

Vulnerability from cvelistv5 – Published: 2021-05-26 10:22 – Updated: 2026-02-25 05:05
VLAI
Title
[20210501] - Core - Adding HTML to the executable block list of MediaHelper::canUpload
Summary
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.
Severity
6.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE
  • XSS
Assigner
References
URL Tags
https://developer.joomla.org/security-centre/852-… x_refsource_MISCvendor-advisory
Impacted products
Vendor Product Version CPE status
Joomla! Project Joomla! CMS Affected: 3.0.0-3.9.26
guessed Create a notification for this product.
Date Public
2021-05-25 00:00
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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