XSS in Limesurvey
CVE-2020-25797
LimeSurvey 3.21.1 is affected by cross-site scripting (XSS) in the Add Participants Function (First and last name parameters). When the survey participant being edited, e.g. by an administrative user, the JavaScript code will be executed in the browser.
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: 0.007 (51.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000
Affected products
- Limesurvey — versions 3.21.1
Weakness classification (CWE)
References
- bugs.limesurvey.org/view.php (Exploit, Vendor Advisory)
- github.com/LimeSurvey/LimeSurvey/commit/0a7bdfa1c166f734d11a1528c8d9a7d61b670ad7 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-25797?
- CVE-2020-25797 is a medium-severity vulnerability in Limesurvey, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-12-31.
- How severe is CVE-2020-25797?
- Medium severity. CVSS v3 base score is 5.4 out of 10.