CVE-2020-26713 json
REDCap 10.3.4 contains a XSS vulnerability in the ToDoList function with parameter sort.
published 2021-01-12 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-19251
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 68%
- public exploits
- 0
- none known
Summary
REDCap 10.3.4 contains a XSS vulnerability in the ToDoList function with parameter sort. The information submitted by the user is immediately returned in the response and not escaped leading to the reflected XSS vulnerability. Attackers can exploit vulnerabilities to steal login session information or borrow user rights to perform unauthorized acts.
Exploit prediction
1.19% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/vuongdq54/RedCap referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/vuongdq54/RedCap
exploit, third-party-advisory
-
evms.edu
/research/resources_services/redcap/redcap_change_log/
release-notes, vendor-advisory
-
project-redcap.org
/
product, vendor-advisory
Sources
- CVE List CVE-2020-26713
- NVD CVE-2020-26713
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