CVE Feed

    Dashboard / CVE / CVE-2021-26032

    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.

    Published:May 26, 2021
    Last Modified:Feb 25, 2026
    EPS:May 26, 2021
    EPSS Score:0.01346
    CVSS Score:6.1

    Affected Products

    Vendor
    Joomla
    Product
    Joomla\!

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-71573 (CVSS 6.9) — Joomla! Core - [20260802] - Improper CORS origin validation in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2 - An improper i…
    CVE-2026-72531 (CVSS 5.1) — Joomla! Core - [20260804] - Improper ACL checks for custom fields webservice endpoints in Joomla 4.0.0-5.4.7, …
    CVE-2026-73336 (CVSS 5.1) — Joomla! Core - [20260806] - XSS through schema.org outputs in Joomla 5.1.0-5.4.7, 6.0.0-6.1.2 - Improper escap…
    CVE-2026-73372 (CVSS 5.1) — Joomla! Core - [20260809] - Improper ACL checks when injection schema.org contact data in Joomla 5.1.0-5.4.7 a…
    CVE-2026-71572 (CVSS 4.8) — Joomla! Core - [20260801] - Response header injection in download views in Joomla 3.0.0-5.4.7, 6.0.0-6.1.2 - L…
    CVE-2026-73337 (CVSS 8.2) — Joomla! Core - [20260807] - MFA Authentication Bypass in Joomla 4.0.0-5.4.7 and 6.0.0-6.1.2 - Insufficient sta…
    CVE-2026-73371 (CVSS 5.1) — Joomla! Core - [20260808] - Improper ACL checks for batch copy actions in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2 - An…
    CVE-2026-72532 (CVSS 5.1) — Joomla! Core - [20260806] - Improper ACL checks for category webservice endpoints in Joomla 4.0.0-5.4.7, 6.0.0…
    CVE-2026-73373 (CVSS 8.9) — Joomla! Core - [20260810] - Unrestricted uploads of SHTML files in Joomla 1.0.0-5.4.7, 6.0.0-6.1.2 - The defau…
    CVE-2026-71574 (CVSS 8.5) — Joomla! Core - [20260803] - Inconsistent ACL checks for mutating webservice endpoints in Joomla 4.0.0-5.4.7, 6…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High