CVE-2026-6486: Cross Site Scripting in classroombookings
A vulnerability was detected in classroombookings up to 2.17.0. This impacts the function read of the file crbs-core/application/views/layout.php of the component User Display Name Handler. The manipulation of the argument displayname results in cross site scripting. The attack can be executed remotely. The exploit is now public and may be used. Upgrading to version 2.17.1 will fix this issue. The patch is identified as 69c3c9bb8a17f1ea572d8f4502bf238f0214c98a. It is suggested to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
AI Analysis
Technical Summary
This vulnerability in classroombookings (versions up to 2.17.0) involves improper sanitization of the displayname parameter in the User Display Name Handler component, specifically in the read function of crbs-core/application/views/layout.php. This flaw enables remote attackers to perform cross-site scripting attacks by injecting malicious code into the displayname argument. The vendor responded promptly and released version 2.17.1 containing a patch identified by commit 69c3c9bb8a17f1ea572d8f4502bf238f0214c98a. The CVSS 4.0 vector indicates network attack vector, low attack complexity, low privileges required, user interaction needed, and limited impact on confidentiality and integrity. No cloud service is involved, and no known active exploitation has been confirmed.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary scripts in the context of the affected application via the displayname parameter, potentially leading to session hijacking, defacement, or other client-side impacts. The CVSS score of 5.1 reflects a medium severity with limited impact on confidentiality and integrity but potential user interaction required. There are no reports of active exploitation in the wild at this time.
Mitigation Recommendations
A vendor-provided official fix is available in classroombookings version 2.17.1. Users should upgrade to this version to remediate the vulnerability. Since the vendor has released a fixed version promptly, applying this update is the recommended and sufficient mitigation. Patch status is confirmed by the vendor advisory and the provided patch commit identifier.
CVE-2026-6486: Cross Site Scripting in classroombookings
Description
A vulnerability was detected in classroombookings up to 2.17.0. This impacts the function read of the file crbs-core/application/views/layout.php of the component User Display Name Handler. The manipulation of the argument displayname results in cross site scripting. The attack can be executed remotely. The exploit is now public and may be used. Upgrading to version 2.17.1 will fix this issue. The patch is identified as 69c3c9bb8a17f1ea572d8f4502bf238f0214c98a. It is suggested to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
CVSS v4.0
Score 5.1medium
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in classroombookings (versions up to 2.17.0) involves improper sanitization of the displayname parameter in the User Display Name Handler component, specifically in the read function of crbs-core/application/views/layout.php. This flaw enables remote attackers to perform cross-site scripting attacks by injecting malicious code into the displayname argument. The vendor responded promptly and released version 2.17.1 containing a patch identified by commit 69c3c9bb8a17f1ea572d8f4502bf238f0214c98a. The CVSS 4.0 vector indicates network attack vector, low attack complexity, low privileges required, user interaction needed, and limited impact on confidentiality and integrity. No cloud service is involved, and no known active exploitation has been confirmed.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary scripts in the context of the affected application via the displayname parameter, potentially leading to session hijacking, defacement, or other client-side impacts. The CVSS score of 5.1 reflects a medium severity with limited impact on confidentiality and integrity but potential user interaction required. There are no reports of active exploitation in the wild at this time.
Mitigation Recommendations
A vendor-provided official fix is available in classroombookings version 2.17.1. Users should upgrade to this version to remediate the vulnerability. Since the vendor has released a fixed version promptly, applying this update is the recommended and sufficient mitigation. Patch status is confirmed by the vendor advisory and the provided patch commit identifier.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-04-17T06:58:13.000Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69e22bbf82d89c981ff3d630
Added to database: 4/17/2026, 12:46:55 PM
Last enriched: 4/24/2026, 4:13:18 PM
Last updated: 6/2/2026, 12:20:34 AM
Views: 79
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