XSS in Evms Redcap
CVE-2020-27359
A cross-site scripting (XSS) issue in REDCap 8.11.6 through 9.x before 10 allows attackers to inject arbitrary JavaScript or HTML in the Messenger feature. It was found that the filename of the image or file attached in a message could be used to perform this XSS attack. A user could craft a message and send it to anyone on the platform including admins. The XSS payload would execute on the other account without interaction from the user on several pages.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.008 (55.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.evms.edu/research/resources_services/redcap/redcap_change_log/ (Release Notes, Vendor Advisory)
- www.ruse.tech/blog/38 (Third Party Advisory)
- github.com/seb1055/cve-2020-27358-27359 (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-27359?
- CVE-2020-27359 is a medium-severity vulnerability in Evms Redcap, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-11-02.
- How severe is CVE-2020-27359?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2020-27359 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.