What is CVE-2025-40703?

CVE-2025-40703 is a medium-severity vulnerability in Acdh-ch Openatlas, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-08-29.

How severe is CVE-2025-40703?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Acdh-ch Openatlas

CVE-2025-40703

Cross-Site Scripting (XSS) vulnerability in OpenAtlas v8.9.0 from the Austrian Centre for Digital Humanities and Cultural Heritage (ACDH-CH), due to inadequate validation of user input when a POST request is sent. The vulnerabilities could…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (10.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Acdh-ch Openatlas — versions 8.9.0
Craws Openatlas — versions 8.9.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve-coordination@incibe.es (Third Party Advisory)
cve-coordination@incibe.es (Product)

Frequently asked questions

What is CVE-2025-40703?: CVE-2025-40703 is a medium-severity vulnerability in Acdh-ch Openatlas, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-08-29.
How severe is CVE-2025-40703?: Medium severity. CVSS v3 base score is 5.4 out of 10.