CVE-2025-40649
CVE-2025-40649 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 4.0 base score 5.1)
- EPSS exploit prediction: 0% (25th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-32083
- Weakness: CWE-79
- Published:
- Last modified:
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.
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 4.0 base score of 5.1, rated medium severity.
- Is CVE-2025-40649 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-40649?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-40649 have an EU (EUVD) identifier?
- Yes. CVE-2025-40649 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-32083.
- When was CVE-2025-40649 published?
- CVE-2025-40649 was published on 2025-10-07 and last updated on 2026-06-17.
References
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