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CVE-2026-54217

TeamDavid: Stored XSS in web application

MEDIUM
5.3
CVSS Score
Published: August 7, 2026 at 09:49 AM UTC
Updated: October 24, 2026 at 04:10 PM UTC
1 product affected across 1 vendorTeamDavid

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.4%
SSVC
PoC

Description

Tobit Laboratories AG TeamDavid's Webbox application is vulnerable to a stored XSS vulnerability. An attacker can send an email containing malicious JavaScript code. When a user accesses the email, the stored cross-site scripting is triggered. This issue affects TeamDavid through Rollout 524.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

TeamDavid· Tobit Laboratories
90%
0 ≤ v < Rollout 5280
Affected range stops below Rollout 528, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

Source: cverecord
https://david.tobit.software/releasenotes
Third Party Advisory
Source: cverecord
https://labs.infoguard.ch/posts/22-cves-in-david-a-secure-m365-alternative/
Release Notes
Source: cverecord
https://chayns.net/77892-10814/tapp/763210?postId=11454

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMNCSC.ch
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-20

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