CVE-2022-29251: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

May 25, 2022

XWiki Platform Flamingo Theme UI is a tool that allows customization and preview of any Flamingo-based skin. Starting with versions 6.2.4 and 6.3-rc-1, a possible cross-site scripting vector is present in the FlamingoThemesCode.WebHomeSheet wiki page related to the “newThemeName” form field. The issue is patched in versions 12.10.11, 14.0-rc-1, 13.4.7, and 13.10.3. The easiest available workaround is to edit the wiki page FlamingoThemesCode.WebHomeSheet (with wiki editor) according to the suggestion provided in the GitHub Security Advisory.

References

github.com/advisories/GHSA-vmhh-xh3g-j992
github.com/xwiki/xwiki-platform/security/advisories/GHSA-vmhh-xh3g-j992

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