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CVE-2025-49585

23
FAUCET Score

CVE-2025-49585 describes a critical vulnerability in XWiki versions prior to 15.10.16, 16.0.0-rc-1 through 16.4.6, and 16.5.0-rc-1 through 16.10.1. An attacker with edit rights, but without script or programming rights, can create a malicious XClass definition. If a user with script, admin, or programming rights subsequently edits this document, the malicious code can execute with their elevated privileges, leading to potential compromise of confidentiality, integrity, and availability. With a CVSS score of 8.0 (HIGH), this vulnerability has a network attack vector and low attack complexity, requiring user interaction. The potential impact is high across confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, and no public exploit code is available in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
< 15.10.16CPE matchmatch criteria
cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*
>= 16.0.0, < 16.4.7CPE matchmatch criteria
cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*
>= 16.5.0, < 16.10.2CPE matchmatch criteria
cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

8.6HIGH

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:L/SI:L/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

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
PASSIVE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
LOW
SS Integrity
LOW
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.36%
Probability of exploitation in next 30 days
EPSS Percentile
28.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0036 is in the 37th percentile among its peer group of 890 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: org.xwiki.platform:xwiki-platform-security-requiredrights-defaultFixed in: 15.10.16
mavenpatch availablevia ghsa
Product: org.xwiki.platform:xwiki-platform-security-requiredrights-defaultFixed in: 16.4.7
mavenpatch availablevia ghsa
Product: org.xwiki.platform:xwiki-platform-security-requiredrights-defaultFixed in: 16.10.2

Vendor Advisories (1)

mavenGHSA-59w6-r9hm-439hhigh

XWiki does not require right warnings for XClass definitions

Jun 13, 2025

References

github.com / xwiki/xwiki-platform/commit/385bde985cdb61ebf315d30c0b144b6d2e2c2d45
Patch
github.com / xwiki/xwiki-platform/security/advisories/GHSA-59w6-r9hm-439h
Vendor Advisory
jira.xwiki.org / browse/XWIKI-22476
ExploitIssue TrackingVendor Advisory