CVE-2026-33137
CRITICALXWiki Platform REST /wikis/{wikiName} - Unauthenticated XAR Import
Title source: manualExploitation Summary
EIP tracks 1 public exploit for CVE-2026-33137. PoCs published by portbuster1337.
AI-analyzed exploit summary This repository contains a functional exploit for CVE-2026-33137, an unauthenticated XAR import vulnerability in XWiki Platform. The PoC demonstrates the ability to create or update arbitrary documents and achieve RCE via crafted XAR files.
Description
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. XWiki Platform is a generic wiki platform. In versions starting with 15.10.6 and prior to 18.1.0-rc-1, 17.10.3, 17.4.9, and 16.10.17, the POST /wikis/{wikiName} API executes a XAR import without performing any authentication or authorization checks, allowing an unauthenticated attacker to create or update documents in the target wiki. This vulnerability has been patched in XWiki 16.10.17, 17.4.9, 17.10.3, 18.0.1 and 18.1.0-rc-1.
Exploits (1)
This repository contains a functional exploit for CVE-2026-33137, an unauthenticated XAR import vulnerability in XWiki Platform. The PoC demonstrates the ability to create or update arbitrary documents and achieve RCE via crafted XAR files.
References (3)
Scores
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X