CVE-2020-25797 json
LimeSurvey 3.21.1 is affected by cross-site scripting (XSS) in the Add Participants Function (First and last name parameters).
published 2020-12-31 5 y ago modified 2026-06-17 4 mo ago also BIT-limesurvey-2020-25797 , EUVD-2020-18441
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 53%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
0.70% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- bugs.limesurvey.org https://bugs.limesurvey.org/view.php?id=15680 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 | >=3.21.1, <3.21.2 |
3.21.2 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/LimeSurvey/LimeSurvey/commit/0a7bdfa1c166f734d11a1528c8d9a7d61b670ad7
patch, vendor-advisory, web
-
bugs.limesurvey.org
/view.php?id=15680
exploit, vendor-advisory, web
-
nvd.nist.gov
/vuln/detail/CVE-2020-25797
web
Sources
- CVE List CVE-2020-25797
- NVD CVE-2020-25797
- OSV BIT-limesurvey-2020-25797
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.