CVE-2021-26032

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

6.1 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

4.3 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References
Link Resource
https://developer.joomla.org/security-centre/852-20210501-core-adding-html-to-the-executable-block-list-of-mediahelper-canupload.html Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
History

28 May 2021, 16:19

Type Values Removed Values Added
CWE CWE-79
CPE cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
References (MISC) https://developer.joomla.org/security-centre/852-20210501-core-adding-html-to-the-executable-block-list-of-mediahelper-canupload.html - (MISC) https://developer.joomla.org/security-centre/852-20210501-core-adding-html-to-the-executable-block-list-of-mediahelper-canupload.html - Vendor Advisory
CVSS v2 : unknown
v3 : unknown 		v2 : 4.3
v3 : 6.1

26 May 2021, 11:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-05-26 11:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-26032

Mitre link : CVE-2021-26032

CVE.ORG link : CVE-2021-26032

JSON object : View

Products Affected

joomla

  • joomla\!
CWE
CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')