What’s Vulnerable › Vulnerabilities

CVE-2020-25798

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-11-17 · updated 2026-06-17
• Weakness: CWE-79

Description

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.

Affected products

• LimeSurvey: through 3.21.1

References

• https://bugs.limesurvey.org/view.php?id=15672
• https://github.com/LimeSurvey/LimeSurvey/commit/38e1ab069b538de7cb5f3a04939aba8e835640cb
• https://bugs.limesurvey.org/view.php?id=15672
• https://github.com/LimeSurvey/LimeSurvey/commit/38e1ab069b538de7cb5f3a04939aba8e835640cb

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