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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTVjNjYtdjI5aC14amg4
XSS Cross Site Scripting
Impact
It is possible to persistently inject scripts in XWiki.
For unregistred users:
- By filling simple text fields
For registered users:
- By filling their personal information
- (if they have edit rights) By filling the values of static lists using App Within Minutes
That can lead to user's session hijacking, and if used in conjunction with a social engineering attack it can also lead to disclosure of sensitive data, CSRF attacks and other security vulnerabilities.
That can also lead to the attacker taking over an account.
If the victim has administrative rights it might even lead to code execution on the server, depending on the application and the privileges of the account.
Patches
It has been patched on XWiki 12.8 and 12.6.3.
Workarounds
There is no easy workaround except upgrading XWiki.
References
https://jira.xwiki.org/browse/XWIKI-17374
For more information
If you have any questions or comments about this advisory:
- Open an issue in Jira XWiki
- Email us at our security mailing list
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTVjNjYtdjI5aC14amg4
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: over 3 years ago
Updated: almost 2 years ago
CVSS Score: 9.6
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L
EPSS Percentage: 0.00105
EPSS Percentile: 0.44539
Identifiers: GHSA-5c66-v29h-xjh8, CVE-2021-29459
References:
- https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-5c66-v29h-xjh8
- https://nvd.nist.gov/vuln/detail/CVE-2021-29459
- https://github.com/advisories/GHSA-5c66-v29h-xjh8
Blast Radius: 1.0
Affected Packages
maven:org.xwiki.platform:xwiki-platform-web
Affected Version Ranges: >= 12.6.4, < 12.8, < 12.6.3Fixed in: 12.8, 12.6.3
maven:org.xwiki.platform:xwiki-platform-oldcore
Affected Version Ranges: >= 12.6.4, < 12.8, < 12.6.3Fixed in: 12.8, 12.6.3