CVE-2026-26000
XWiki Platform affected by click-jacking through CSS injection in comments
Description
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Prior to 17.9.0, 17.4.6, and 16.10.13, it's possible using comments to inject CSS that would transform the full wiki in a link area leading to a malicious page. This vulnerability is fixed in 17.9.0, 17.4.6, and 16.10.13.
INFO
Published Date :
Feb. 12, 2026, 9:16 p.m.
Last Modified :
Feb. 19, 2026, 7:22 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Upgrade XWiki Platform to a fixed version.
- Apply security patches to XWiki Platform.
- Review and sanitize user-generated content.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-26000.
| URL | Resource |
|---|---|
| https://github.com/xwiki/xwiki-platform/releases/tag/xwiki-platform-17.4.6 | ProductRelease Notes |
| https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-74rh-c5rh-88vg | PatchVendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-26000 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-26000
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-26000 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-26000 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Feb. 19, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Added CPE Configuration OR *cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:* versions up to (excluding) 16.10.13 *cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:* versions from (including) 17.0.0 up to (excluding) 17.4.6 *cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:* versions from (including) 17.5.0 up to (excluding) 17.9.0 Added Reference Type GitHub, Inc.: https://github.com/xwiki/xwiki-platform/releases/tag/xwiki-platform-17.4.6 Types: Product, Release Notes Added Reference Type GitHub, Inc.: https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-74rh-c5rh-88vg Types: Patch, Vendor Advisory -
New CVE Received by [email protected]
Feb. 12, 2026
Action Type Old Value New Value Added Description XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Prior to 17.9.0, 17.4.6, and 16.10.13, it's possible using comments to inject CSS that would transform the full wiki in a link area leading to a malicious page. This vulnerability is fixed in 17.9.0, 17.4.6, and 16.10.13. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/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 Added CWE CWE-1021 Added Reference https://github.com/xwiki/xwiki-platform/releases/tag/xwiki-platform-17.4.6 Added Reference https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-74rh-c5rh-88vg