CVE-2024-28709 is a medium-severity (CVSS 6.1) Cross-site Scripting (XSS) vulnerability in limesurvey/limesurvey. A fix is available for limesurvey/limesurvey — see the affected versions and patch details below.
LimeSurvey Cross Site Scripting vulnerability
Exploitation Status
No confirmed exploitation observed yet
- CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.
Exploitation and automatability from CISA’s SSVC triage for CVE-2024-28709.
EPSS Exploitation Probability
Probability of exploitation in the next 30 days, from FIRST.org EPSS.
How urgent is this, really
Where this sits among everything scored
Real-World Exposure
limesurvey/limesurveyReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.
Description
Cross Site Scripting vulnerability in LimeSurvey before 6.5.12+240611 allows a remote attacker to execute arbitrary code via a crafted script to the title and comment fields.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐘Packagist | limesurvey/limesurvey | all versions | 6.5.12composer require limesurvey/limesurvey:^6.5.12 |
Affected Products
limesurveylimesurveyDetection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for limesurvey/limesurvey, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update limesurvey/limesurvey to 6.5.12 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2024-28709 is resolved across your whole dependency graph.
Workarounds
Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.
Frequently Asked Questions
Is CVE-2024-28709 in your dependencies?
Find it across Packagist, including transitive dependencies.