What’s Vulnerable › Vulnerabilities

CVE-2026-63360: LimeSurvey Community Edition 7.0.5 - Reflected XSS in user activation confirmation endpoint

• Severity: high (CVSS 7.4 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% 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+260623 contains an authenticated reflected Cross-Site Scripting vulnerability in the user activation confirmation endpoint. The action query parameter is copied into the response and inserted into a hidden input attribute without HTML attribute encoding. This issue affects LimeSurvey: 7.0.5.

Affected products

• LimeSurvey: 7.0.5

References

• https://fluidattacks.com/advisories/raine
• https://github.com/LimeSurvey/LimeSurvey
• https://fluidattacks.com/advisories/raine

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