What’s Vulnerable › Vulnerabilities

CVE-2026-16809: LimeSurvey Community Edition 7.0.5 - Stored XSS in quota message rendering

• Severity: high (CVSS 7.2 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-26 · updated 2026-08-28
• Weakness: CWE-79

Description

LimeSurvey Community Edition 7.0.5 contains a stored cross-site scripting vulnerability in the survey quota creation workflow. An authenticated low-privileged user who can create and manage their own survey can store malicious JavaScript in a quota message. This issue affects LimeSurvey: 7.0.5.

Affected products

• LimeSurvey: 7.0.5

References

• https://fluidattacks.com/es/advisories/wellerman
• https://github.com/LimeSurvey/LimeSurvey
• https://fluidattacks.com/es/advisories/wellerman

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