CVE-2025-51991

HIGH NUCLEI

XWiki < 17.3.0 - Authenticated Server-Side Template Injection in HTTP Meta Info Field

Title source: llm

Exploitation Summary

CVE-2025-51991 has a Nuclei detection template available — see the Nuclei card below for the Shodan/FOFA recon queries.

Description

XWiki through version 17.3.0 is vulnerable to Server-Side Template Injection (SSTI) in the Administration interface, specifically within the HTTP Meta Info field of the Global Preferences Presentation section. An authenticated administrator can inject crafted Apache Velocity template code, which is rendered on the server side without proper validation or sandboxing. This enables the execution of arbitrary template logic, which may expose internal server information or, in specific configurations, lead to further exploitation such as remote code execution or sensitive data leakage. The vulnerability resides in improper handling of dynamic template rendering within user-supplied configuration fields.

Nuclei Templates (1)

XWiki <= 17.3.0 - Server-Side Template Injection (SSTI)

CRITICALVERIFIEDby 0x_Akoko

Shodan: http.html:"data-xwiki-reference"

FOFA: body="data-xwiki-reference"

References (2)

Core 2

Core References

Exploit, Third Party Advisory

https://github.com/malcxlmj/cve-writeups/blob/main/CVE-2025-51991.md

View Exploit ZIP pw:eip

Product

https://xwiki.org

Scores

CVSS v3 8.8

EPSS 0.0365

EPSS Percentile 88.2%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact total

Details

CWE

CWE-94 CWE-79

Status published

Products (1)

xwiki/xwiki < 17.3.0

Published Aug 20, 2025

Tracked Since Feb 18, 2026