CVE-2021-29459
Critical
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.
SeverityCritical
CVSS9.6
Exploit probability—
Product
Xwiki
PublishedApr 20, 2021
First seenApr 20, 2021
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- xwiki xwiki12.6.3, 12.8 or later
- org.xwiki.platform:xwiki-platform-oldcore12.6.3, 12.8 or later
- org.xwiki.platform:xwiki-platform-web12.6.3, 12.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| xwiki xwiki | v < 12.6.3, 12.6.4 ≤ v < 12.8 | 12.6.3, 12.8 |
| org.xwiki.platform:xwiki-platform-oldcoreMaven | v < 12.6.3, 12.6.4 ≤ v < 12.8 | 12.6.3, 12.8 |
| org.xwiki.platform:xwiki-platform-webMaven | v < 12.6.3, 12.6.4 ≤ v < 12.8 | 12.6.3, 12.8 |
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