Security Announcements

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1. [20210103] - Core - XSS in com_tags image parameters

   • Project: Joomla!
   • SubProject: CMS
   • Impact: Moderate
   • Severity: Low
   • Versions:3.1.0 - 3.9.23
   • Exploit type: XSS
   • Reported Date: 2020-09-01
   • Fixed Date: 2021-01-12
   • CVE Number: CVE-2021-23125

   Description

   Lack of escaping of image-related parameters in multiple com_tags views cause lead to XSS attack vectors.

   Affected Installs

   Joomla! CMS versions 3.1.0 - 3.9.23

   Solution

   Upgrade to version 3.9.24

   Contact

   The JSST at the Joomla! Security Centre.

   Reported By:Šarūnas Paulauskas

   

   

2. [20210102] - Core - XSS in mod_breadcrumbs aria-label attribute

   • Project: Joomla!
   • SubProject: CMS
   • Impact: Moderate
   • Severity: Low
   • Versions:3.9.0 - 3.9.23
   • Exploit type: XSS
   • Reported Date: 2020-09-01
   • Fixed Date: 2021-01-12
   • CVE Number: CVE-2021-23124

   Description

   Lack of escaping in mod_breadcrumbs aria-label attribute allows XSS attacks.

   Affected Installs

   Joomla! CMS versions 3.9.0 - 3.9.23

   Solution

   Upgrade to version 3.9.24

   Contact

   The JSST at the Joomla! Security Centre.

   Reported By:Šarūnas Paulauskas

   

   

3. [20210101] - Core - com_modules exposes module names

   • Project: Joomla!
   • SubProject: CMS
   • Impact: Low
   • Severity: Low
   • Versions:3.0.0 - 3.9.23
   • Exploit type: Incorrect Access Control
   • Reported Date: 2020-07-07
   • Fixed Date: 2021-01-12
   • CVE Number: CVE-2021-23123

   Description

   Lack of ACL checks in the orderPosition endpoint of com_modules leak names of unpublished and/or inaccessible modules.

   Affected Installs

   Joomla! CMS versions 3.0.0 - 3.9.23

   Solution

   Upgrade to version 3.9.24

   Contact

   The JSST at the Joomla! Security Centre.

   Reported By:Phil Taylor

   

   

4. [20201107] - Core - Write ACL violation in multiple core views

   • Project: Joomla!
   • SubProject: CMS
   • Impact: High
   • Severity: Low
   • Versions:1.7.0 - 3.9.22
   • Exploit type: ACL Violation
   • Reported Date: 2018-11-04
   • Fixed Date: 2020-11-24
   • CVE Number: CVE-2020-35616

   Description

   Lack of input validation while handling ACL rulesets can cause write ACL violations.

   Affected Installs

   Joomla! CMS versions 1.7.0 - 3.9.22

   Solution

   Upgrade to version 3.9.23

   Contact

   The JSST at the Joomla! Security Centre.

   Reported By:  Elisa Foltyn, Benjamin Trenkle

   

   

5. [20201106] - Core - CSRF in com_privacy emailexport feature

   • Project: Joomla!
   • SubProject: CMS
   • Impact: Low
   • Severity: Low
   • Versions: 3.9.0-3.9.22
   • Exploit type: CSRF
   • Reported Date: 2020-10-08
   • Fixed Date: 2020-11-24
   • CVE Number: CVE-2020-35615

   Description

   A missing token check in the emailexport feature of com_privacy causes a CSRF vulnerability.

   Affected Installs

   Joomla! CMS versions 3.9.0 - 3.9.22

   Solution

   Upgrade to version 3.9.23

   Contact

   The JSST at the Joomla! Security Centre.

   Reported By:  Lee Thao from Viettel Cyber Security