Medium severity · published Apr 20, 2021
CVE-2021-29459
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it
6.1
CVSS
1.1%
EPSS
No
On KEV
Description
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. It is possible to persistently inject scripts in XWiki versions prior to 12.6.3 and 12.8. Unregistred users can fill simple text fields. Registered users can fill in their personal information and (if they have edit rights) fill the values of static lists using App Within Minutes. There is no easy workaround except upgrading XWiki. The vulnerability has been patched on XWiki 12.8 and 12.6.3.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XW
Xwiki · Xwiki
before 12.6.3; 12.6.4 before 12.8 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-29459
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-29459
Exploit
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-5c66-v29h-xjh8
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