CVE-2025-40702

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 allow a remote user to send specially crafted queries to an authenticated user and steal their session cookie details, via  the "/insert/file" petition, "creator" and "license_holder" parameters.

CVSS 4.0

5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

CVSS 3.1

5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 12% of CVEs (scores of 2026-10-25)

CWE

CWE-79

Published

2025-08-29

Modified

2026-10-18

Record from

the NVD, synced 2026-10-19

Affected

• craws:openatlas

References

• https://github.com/craws/OpenAtlas
• https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-cross-site-scripting-xss-vulnerabilities-openatlas-acdh-ch

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