xwiki-contrib oidc up to 2.18.1 OpenID Connect Protocol improper authorization
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.0 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in xwiki-contrib oidc up to 2.18.1. The affected element is an unknown function of the component OpenID Connect Protocol Handler. Such manipulation leads to improper authorization. This vulnerability is listed as CVE-2025-49594. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.
Details
A vulnerability, which was classified as critical, has been found in xwiki-contrib oidc up to 2.18.1. Affected by this issue is an unknown function of the component OpenID Connect Protocol Handler. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. CVE summarizes:
XWiki OIDC has various tools to manipulate OpenID Connect protocol in XWiki. Starting in version 2.17.1 and prior to version 2.18.2, anyone with VIEW access to a user profile can create a token for that user. If that XWiki instance is configured to allow token authentication, it allows authentication with any user (since users are very commonly viewable, at least to other registered users). Version 2.18.2 contains a patch. As a workaround, disable token access.
The advisory is available at github.com. This vulnerability is handled as CVE-2025-49594 since 06/06/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1548.002 by the MITRE ATT&CK project.
Upgrading to version 2.18.2 eliminates this vulnerability. Applying the patch d90d717172283aaa96bb5bb44e357f910ae64adb is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
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Product
Type
Vendor
Name
Version
License
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 7.0
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Improper authorizationCWE: CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: oidc 2.18.2
Patch: d90d717172283aaa96bb5bb44e357f910ae64adb
Timeline
06/06/2025 CVE reserved10/06/2025 Advisory disclosed
10/06/2025 VulDB entry created
10/06/2025 VulDB entry last update
Sources
Product: github.comAdvisory: GHSA-f2hf-pfrj-vrm7
Status: Confirmed
CVE: CVE-2025-49594 (🔒)
GCVE (CVE): GCVE-0-2025-49594
GCVE (VulDB): GCVE-100-327278
Entry
Created: 10/06/2025 17:41Changes: 10/06/2025 17:41 (71)
Complete: 🔍
Cache ID: 216::103
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