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CVE-2025-40649

MEDIUMCVSS 5.1/10EPSS 0.33%

Last modified

CVE-2025-40649 is a medium-severity vulnerability rated 5.1/10 on the CVSS scale. Stored Cross-Site Scripting (XSS) in Biobanking and Biomolecular Resources Negotiator v3.15.2 - European Research Infrastructure (BBMRI-ERIC), consisting of a stored XSS due to a lack of proper validation of user input by sending a POST request using parameter text in '/api/v3/negotiations/<postUID>/posts'. This vulnerability could allow a remote user to send a specially crafted query to an authenticated user and steal their cookie session details.. EPSS estimates a 0.33% chance of exploitation in the next 30 days.

Description

Stored Cross-Site Scripting (XSS) in Biobanking and Biomolecular Resources Negotiator v3.15.2 - European Research Infrastructure (BBMRI-ERIC), consisting of a stored XSS due to a lack of proper validation of user input by sending a POST request using parameter text in '/api/v3/negotiations/<postUID>/posts'. This vulnerability could allow a remote user to send a specially crafted query to an authenticated user and steal their cookie session details.

Metrics

CVSS 4.0
5.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability
0.33%

24.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2025-40649?
Stored Cross-Site Scripting (XSS) in Biobanking and Biomolecular Resources Negotiator v3.15.2 - European Research Infrastructure (BBMRI-ERIC), consisting of a stored XSS due to a lack of proper validation of user input by sending a POST request using parameter text in '/api/v3/negotiations/<postUID>/posts'. This vulnerability could allow a remote user to send a specially crafted query to an authenticated user and steal their cookie session details.
How severe is CVE-2025-40649?
CVE-2025-40649 has a CVSS score of 5.1/10 (MEDIUM severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.
How do I fix CVE-2025-40649?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-40649?

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Source: NVD / NIST