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CVE-2020-27359

MEDIUM
5.4
CVSS Score
Published: October 31, 2020 at 04:22 PM UTC
Updated: June 17, 2026 at 03:09 AM UTC
1 product affected across 1 vendorRedcap

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.8%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Redcap· Evms
95%
8.11.6 ≤ v < 10.0.0
Affected range stops below 10.0.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

x_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/seb1055/cve-2020-27358-27359
x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://www.evms.edu/research/resources_services/redcap/redcap_change_log/
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://www.ruse.tech/blog/38

CVSS

5.4MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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