XSS in Limesurvey
CVE-2020-25798
A stored cross-site scripting (XSS) vulnerability in LimeSurvey before and including 3.21.1 allows authenticated users with correct permissions to inject arbitrary web script or HTML via parameter ParticipantAttributeNamesDropdown of the Attributes on the central participant database page. When the survey attribute being edited or viewed, 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: 0.006 (48.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: -0.000
Affected products
Weakness classification (CWE)
References
- bugs.limesurvey.org/view.php (Exploit, Issue Tracking, Vendor Advisory)
- github.com/LimeSurvey/LimeSurvey/commit/38e1ab069b538de7cb5f3a04939aba8e835640cb (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-25798?
- CVE-2020-25798 is a medium-severity vulnerability in Limesurvey, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-11-17.
- How severe is CVE-2020-25798?
- Medium severity. CVSS v3 base score is 5.4 out of 10.