CVE-2020-11456
MediumPublic exploitLimeSurvey before 4.1.12+200324 has stored XSS in application/views/admin/surveysgroups/surveySettings.php and application/models/SurveysGroups.php (aka survey groups).
Published Apr 1, 2020 · Updated Aug 7, 2026 · Also known as BIT-limesurvey-2020-11456
Key Facts
Patch immediately- CVE-2020-11456 is a medium-severity vulnerability (CVSS 5.4 v3.1) affecting Limesurvey.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 71% probability of exploitation in the next 30 days.
- Fixed versions are available, including Limesurvey 4.1.12, Limesurvey 4.1.13, Limesurvey <=4.1.11.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
5.4
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS (30-day exploit likelihood)
71%
Higher than 99.3% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
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Description
LimeSurvey before 4.1.12+200324 has stored XSS in application/views/admin/surveysgroups/surveySettings.php and application/models/SurveysGroups.php (aka survey groups).
Affected Products
4 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| LimesurveyLimesurvey | 4.1.12, 4.1.12-200324 | 4.1.11 |
Patched Releases
Limesurvey
4.1.12, 4.1.13, <=4.1.11
Timeline
Publicly disclosed
Apr 1, 2020
Last updated
Aug 7, 2026
Weakness Type
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
FAQ
Common Questions.
LimeSurvey before 4.1.12+200324 has stored XSS in application/views/admin/surveysgroups/surveySettings.php and application/models/SurveysGroups.php (aka survey groups).
Affected: Limesurvey versions 4.1.12, 4.1.12-200324. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Limesurvey 4.1.12, Limesurvey 4.1.13, Limesurvey <=4.1.11.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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