CVE-2024-37396 — A stored cross-site scripting (XSS) vulnerability in the Calendar function of RE

A stored cross-site scripting (XSS) vulnerability in the Calendar function of REDCap 13.1.9 allows authenticated users to execute arbitrary web script or HTML by injecting a crafted payload into the 'Notes' field of a calendar event. This could lead to the execution of

01What is this vulnerability?

A stored cross-site scripting (XSS) vulnerability in the Calendar function of REDCap 13.1.9 allows authenticated users to execute arbitrary web script or HTML by injecting a crafted payload into the 'Notes' field of a calendar event. This could lead to the execution of malicious scripts when the event is viewed. Updating to version 14.2.1 or later is recommended to remediate this vulnerability.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

08Timeline

• Published: 2025-06-10T00:00:00.000Z
• Last modified: 2025-06-11T15:08:06.866Z

09References

• www.evms.edu — https://www.evms.edu/research/resources_services/redcap/redcap_change_log/
• www.trustwave.com — https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/multiple-cross-s…
• www.trustwave.com — https://www.trustwave.com/hubfs/Web/Library/Advisories_txt/TWSL2024-003_XSS_REDC…