CVE-2026-6486A vulnerability was detected in classroombookings up to 2.17.0.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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
- 3.5 LOW (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
- Weakness (CWE)
- CWE-79, CWE-94
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Deferred
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
No affected products are listed yet.
References
- https://github.com/classroombookings/classroombookings/
- https://github.com/classroombookings/classroombookings/commit/69c3c9bb8a17f1ea572d8f4502bf238f0214c98a
- https://github.com/classroombookings/classroombookings/pull/83
- https://github.com/classroombookings/classroombookings/releases/tag/v2.17.1
- https://github.com/sudo-secure/security-research/blob/main/classroombookings/stored-xss/PoC.md
- https://vuldb.com/submit/786154
- https://vuldb.com/vuln/358027
- https://vuldb.com/vuln/358027/cti
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.