CVE-2020-25798 json
A stored cross-site scripting (XSS) vulnerability in LimeSurvey before and including 3.21.1 allows authenticated users with correct permiss…
published 2020-11-17 5 y ago modified 2026-06-17 4 mo ago also BIT-limesurvey-2020-25798 , EUVD-2020-18442
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 51%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- bugs.limesurvey.org https://bugs.limesurvey.org/view.php?id=15672 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
| OSV | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | limesurvey | <3.21.2 |
3.21.2 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/LimeSurvey/LimeSurvey/commit/38e1ab069b538de7cb5f3a04939aba8e835640cb
patch, third-party-advisory, web
-
bugs.limesurvey.org
/view.php?id=15672
exploit, issue-tracking, vendor-advisory, web
-
nvd.nist.gov
/vuln/detail/CVE-2020-25798
web
Sources
- CVE List CVE-2020-25798
- NVD CVE-2020-25798
- OSV BIT-limesurvey-2020-25798
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