PT-2021-16932 · Joomla · Joomla!

Hagai Wechsler · Published 2021-07-07 · Updated 2025-04-03 · CVE-2021-26039

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Joomla! versions 3.0.0 through 3.9.27

Description An issue was discovered in the imagelist view of com media, where inadequate escaping leads to a XSS vulnerability.

Recommendations For versions 3.0.0 through 3.9.27, update to a version that includes the fix for the inadequate escaping issue in the imagelist view of com media to prevent XSS attacks.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

BIT-JOOMLA-2021-26039

CVE-2021-26039

Affected Products

Joomla!

References · 5

• https://osv.dev/vulnerability/BIT-joomla-2021-26039 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-26039 · Vendor Advisory
• https://developer.joomla.org/security-centre/860-20210705-core-xss-in-com-media-imagelist.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-26039 · Security Note
• https://t.me/cvenotify/17197 · Telegram Post