CVE-2026-40105 json
XWiki has Reflected Cross-Site Scripting (XSS) in its page history compare functionality
published 2026-04-14 6 mo ago modified 2026-10-26 13 d ago also EUVD-2026-22819 , GHSA-w4fj-87j5-f25c
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 46%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Versions 10.4-rc-1, through 16.10.15, 17.0.0-rc-1, through 17.4.7 and 17.5.0-rc-1 through 17.10.0 contain a reflected cross-site scripting vulnerability (XSS) in the comparison view between revisions of a page allows executing JavaScript code in the user's browser. If the current user is an admin, this can not only affect the current user but also the confidentiality, integrity and availability of the whole XWiki instance. If developers are unable to update immediately, they can apply the patch manually to templates/changesdoc.vm in the deployed WAR.
Patch / fix
- maven org.xwiki.platform:xwiki-platform-web-templates 16.10.16, 17.4.8, 17.10.1
- org.xwiki.platform xwiki-platform-web-templates 16.10.16, 17.4.8, 17.10.1
- xwiki xwiki 16.10.16, 17.4.8, 17.10.1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 6 mo ago
Exploit prediction
0.55% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template XWiki - Cross-Site Scripting nuclei detection template
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 6.5 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H |
| GitHub | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| CNA | 4.0 | 6.5 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/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 |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.xwiki.platform:xwiki-platform-web-templates | >=10.4-rc-1, <16.10.16 >=17.0.0-rc-1, <17.4.8 >=17.5.0-rc-1, <17.10.1 |
16.10.16 17.4.8 17.10.1 |
Affected products
- xwiki xwiki-platform
Classification
- Weakness
-
- CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page
References
-
github.com
/xwiki/xwiki-platform/commit/3c8a2ec985641367015c2db937574fcd360c788c
web, patch
-
github.com
/xwiki/xwiki-platform/security/advisories/GHSA-w4fj-87j5-f25c
web, vendor-advisory
-
jira.xwiki.org
/browse/XWIKI-23472
web, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2026-40105
advisory
-
github.com
/xwiki/xwiki-platform
package
Sources
- CVE List CVE-2026-40105
- GitHub Advisory GHSA-w4fj-87j5-f25c
- NVD CVE-2026-40105
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.