CVE-2026-4952: XSS

Description

The "ASMobile" web interface, which is part of the VertiGIS software package "GIS Portal", allows authenticated users to define a business reference. JavaScript code can be inserted into this field. On its own this only affects the user who entered it (self-XSS). However, the business reference is included in the order details when the user places an order through the web interface. The order is later listed in the OrderAdministration portal (AuftragsManager) of VertiGIS WebOrderSystem, where the stored code is executed as soon as a highly privileged user opens the order. Version 7.0.8.6 of WebOrderSystem, the latest available at the time of testing, is affected. The vendor did not provide information about further affected versions.

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EPSS — Exploit Prediction

0.0028

Probability of exploitation

0.20%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

References

Other References

https://r.sec-consult.com/vertigis

Frequently Asked Questions

What is CVE-2026-4952? +

The "ASMobile" web interface, which is part of the VertiGIS software package "GIS Portal", allows authenticated users to define a business reference. JavaScript code can be inserted into this field. On its own this only affects the user who entered it (self-XSS). However, the business reference is included in the order details when the user places an order through the web interface. The order is later listed in the OrderAdministration portal (AuftragsManager) of VertiGIS WebOrderSystem, where the stored code is executed as soon as a highly privileged user opens the order. Version 7.0.8.6 of WebOrderSystem, the latest available at the time of testing, is affected. The vendor did not provide information about further affected versions.

How do I check if I'm vulnerable to CVE-2026-4952? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-4952