XWiki missing authorization when accessing the wiki level attachments list and metadata via REST API
50Vexday Risk Score
Patch now. It exploitation observed by VulnCheck and has a working public exploit.
ssvc Actcvss 5.3epss 1.1%
from disclosure to weapon
Published on NVDApr 30
VulnCheck+127d
exploitation probability
1.1%top 38% of all CVEs
observed exploitation
yesVulnCheck
XWiki is a generic wiki platform. In versions starting from 1.8.1 to before 14.10.22, from 15.0-rc-1 to before 15.10.12, from 16.0.0-rc-1 to before 16.4.3, and from 16.5.0-rc-1 to before 16.7.0, anyone can access the metadata of any attachment in the wiki using the wiki attachment REST endpoint. There is no filtering for the results depending on current user rights, meaning an unauthenticated user could exploit this even in a private wiki. This issue has been patched in versions 14.10.22, 15.10.12, 16.4.3, and 16.7.0.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected products
xwiki · xwiki-platformReferences
https://github.com/xwiki/xwiki-platform/commit/37ecea84fdd053c33733c2ae9a0778bf98eae608https://github.com/xwiki/xwiki-platform/commit/a43e933ddeda17dad1772396e1757998260e9342https://github.com/xwiki/xwiki-platform/commit/c02ce7843a39851865b9d7b6132e32fdd21e3856https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-r5cr-xm48-97xphttps://jira.xwiki.org/browse/XWIKI-22424