PT-2026-33446 · Unknown · Classroombookings

Sudosme · Published 2026-04-17 · Updated 2026-04-17 · CVE-2026-6486

Positive Technologies (AI Summary)

CVSS v2.0

4.0

Medium

Base vector

AV:N/AC:L/Au:S/C:N/I:P/A:N

Name of the Vulnerable Software and Affected Versions classroombookings versions prior to 2.17.1

Description An issue exists in the User Display Name Handler component within the read function of the file 'crbs-core/application/views/layout.php'. Remote attackers can execute cross site scripting by manipulating the displayname argument.

Recommendations Update to version 2.17.1.

Exploit

Fix

Code Injection

XSS

Weakness Enumeration

CWE-94

CWE-79

Related Identifiers

CVE-2026-6486

Affected Products

Classroombookings

References · 10

• 🔥 https://github.com/sudo-secure/security-research/blob/main/classroombookings/stored-xss/PoC.md · Exploit
• https://github.com/classroombookings/classroombookings/releases/tag/v2.17.1 · Patch
• https://github.com/classroombookings/classroombookings/pull/83 · Patch
• https://github.com/classroombookings/classroombookings/commit/69c3c9bb8a17f1ea572d8f4502bf238f0214c98a · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-6486 · Security Note
• https://vuldb.com/submit/786154 · Note
• https://twitter.com/VulmonFeeds/status/2045142831811924306 · Twitter Post
• https://github.com/classroombookings/classroombookings · Note
• https://vuldb.com/vuln/358027/cti · Note
• https://vuldb.com/vuln/358027 · Note