CVE-2023-33387 — A reflected cross-site scripting (XSS) vulnerability in DATEV eG Personal-Manage

A reflected cross-site scripting (XSS) vulnerability in DATEV eG Personal-Management System Comfort/Comfort Plus v15.1.0 to v16.1.1 P4 allows attackers to steal targeted users' login data by sending a crafted link.

01What is this vulnerability?

A reflected cross-site scripting (XSS) vulnerability in DATEV eG Personal-Management System Comfort/Comfort Plus v15.1.0 to v16.1.1 P4 allows attackers to steal targeted users' login data by sending a crafted link.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-06-22T00:00:00.000Z
• Last modified: 2024-12-06T15:23:22.632Z

09References

• support.veda.net — https://support.veda.net/datev.php
• apps.datev.de — https://apps.datev.de/help-center/documents/1021479
• www.tuv.com — https://www.tuv.com/landingpage/de/schwachstelle/