XWiki Platform's Livetable results still allow reconstructing password hashes using 768 requests

Impact XWiki discovered that the patch for GHSA-5cf8-vrr8-8hjm was insufficient and with slightly modified parameters to the LiveTableResults, it is still possible to discover password hashes one bit at a time, so with 768 requests, the full password salt and hash can be retrieved of a user...

GHSA-RH28-MQJ4-8X59 XWiki Platform's Livetable results still allow reconstructing password hashes using 768 requests

Impact XWiki discovered that the patch for GHSA-5cf8-vrr8-8hjm was insufficient and with slightly modified parameters to the LiveTableResults, it is still possible to discover password hashes one bit at a time, so with 768 requests, the full password salt and hash can be retrieved of a user...

CVE-2026-33137

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...

GHSA-VGWR-23FQ-PR7G XWiki Platform vulnerable to potential arbitrary file writing using path traversal from (subwiki) admin

Impact A potential path traversal vulnerability allow an attacker who manages to get a malicious WebJar extension installed on the wiki to write arbitrary files. While the consequences could be severe like overriding configuration files and setting the superadmin password, the attack first requir...

Directory Traversal

Overview org.xwiki.platform:xwiki-platform-webjars-api is a XWiki Platform WebJars API. Affected versions of this package are vulnerable to Directory Traversal via the process that handles WebJar extension installation. An attacker can overwrite arbitrary files, including configuration files and...

GHSA-QRVH-R3F2-9H4R XWiki Platform has an Unauthenticated XAR Import via REST /wikis/{wikiName}

Impact POST /wikis/wikiName executes a XAR import without performing any authentication or authorization checks, allowing an unauthenticated attacker to create or update documents in the target wiki Patches This vulnerability has been patched in XWiki 16.10.17, 17.4.9, 17.10.3, 18.0.1 and...

XWiki Platform has an Unauthenticated XAR Import via REST /wikis/{wikiName}

Impact POST /wikis/wikiName executes a XAR import without performing any authentication or authorization checks, allowing an unauthenticated attacker to create or update documents in the target wiki Patches This vulnerability has been patched in XWiki 16.10.17, 17.4.9, 17.10.3, 18.0.1 and...

GHSA-XQ3R-2QV5-VQQM XWiki Platform has path traversal via resources parameter in ssx and jsx endpoints when using leading slash

Impact It's possible to get access and read configuration files by using URLs such as http://localhost:8080/bin/ssx/Main/WebHome?resource=/../../WEB-INF/xwiki.cfg&minify=false. This can apparently be reproduced on Tomcat instances. Patches This has been patched in 18.0.0-rc-1, 17.10.3, 17.4.9,...

Exploit for CVE-2026-33137

CVE-2026-33137 XWiki Platform - Unauthenticated XAR Import...

CVE-2026-23734

XWiki Platform is a generic wiki platform. Versions prior to 18.1.0-rc-1, 17.10.3, 17.4.9, and 16.10.17 allow access to read configuration files by using URLs such as http://localhost:8080/bin/ssx/Main/WebHome?resource=/../../WEB-INF/xwiki.cfg=false, leading to Path Traversal. The vulnerability i...

PT-2026-43465

Name of the Vulnerable Software and Affected Versions XWiki versions prior to 16.10.17 XWiki versions prior to 17.4.9 XWiki versions prior to 17.10.3 XWiki versions prior to 18.0.0RC1 Description A path traversal issue allows an attacker to write arbitrary files, which could lead to overriding...

PT-2026-43466

Name of the Vulnerable Software and Affected Versions XWiki versions prior to 18.0.0RC1 XWiki versions prior to 17.10.13 XWiki versions prior to 17.4.9 XWiki versions prior to 16.10.17 Description An insufficient patch allows for the discovery of password hashes one bit at a time by using modifie...

Relative Path Traversal

Overview Affected versions of this package are vulnerable to Relative Path Traversal via the resource parameter in the ssx and jsx endpoints when a leading slash is used. An attacker can access sensitive configuration files by crafting a URL that traverses directories. Note: This issue is due to...

CVE-2026-33137

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...

CVE-2026-23734

XWiki Platform is a generic wiki platform. Versions prior to 18.1.0-rc-1, 17.10.3, 17.4.9, and 16.10.17 allow access to read configuration files by using URLs such as http://localhost:8080/bin/ssx/Main/WebHome?resource=/../../WEB-INF/xwiki.cfg&minify=false, leading to Path Traversal. The...

CVE-2026-33137

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...

EUVD-2026-31157

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 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...

CVE-2026-33137 XWiki Platform has an Unauthenticated XAR Import via REST /wikis/{wikiName}

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...

CVE-2026-33137 XWiki Platform has an Unauthenticated XAR Import via REST /wikis/{wikiName}

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...

CVE-2026-33137 XWiki Platform has an Unauthenticated XAR Import via REST /wikis/{wikiName}

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...