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CVE-2026-16809

LimeSurvey Community Edition 7.0.5 - Stored XSS in quota message rendering

HIGH
7.2
CVSS Score
Published: August 26, 2026 at 09:39 PM UTC
Updated: August 28, 2026 at 03:42 PM UTC
1 product affected across 1 vendorLimeSurvey

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Severity
HIGH7.2
Exploit prediction
EPSS 0.4%
SSVC
PoC

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Third Party Advisory
Source: cverecord
https://fluidattacks.com/es/advisories/wellerman
Product
Source: cverecord
https://github.com/LimeSurvey/LimeSurvey

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.2HIGHFluid Attacks
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79

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