Checkbox Survey ↗
Auto-added after CISA flagged Checkbox Survey as actively exploited (KEV catalog). Version and lifecycle mapping is pending review, so this is assessed at the product level and is never reported as a confident "healthy".
Summary iPlain-English security verdict for Checkbox Survey, generated from its current health score, actively-exploited vulnerabilities, and latest supported version.
Checkbox Survey currently scores 20/100 — critical, with active exploitation. 1 of its known vulnerability is being actively exploited in the wild (CISA KEV), including CVE-2021-27852. Upgrade immediately and review your exposure to the actively-exploited CVEs below.
The known vulnerabilities
IsItPatched tracks 1 known vulnerability in Checkbox Checkbox Survey disclosed in 2021. CVE-2021-27852 is a critical-severity insecure deserialization vulnerability (CVSS 9.8), which is actively exploited in the wild (CISA KEV). Move to a patched, supported release — this issue is being exploited in the wild, so treat it as urgent.
Disclosure trend iNew CVEs published for Checkbox Survey each year (NVD). A higher bar means more disclosures that year — more scrutiny, not necessarily less safe.
Patch priority — what to act on iThe issues to fix first — actively exploited (CISA KEV) first, then by exploitation probability (EPSS), then severity. Each row's "→ fixed in" is the earliest version that patches it; "see advisory" means no fixed version is published.
Most urgent first — actively exploited, then likeliest to be exploited.
CVE-2021-27852 CRITICAL exploited Insecure deserialization EPSS 32% → fixed in 7.0Get alerted about Checkbox Survey
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Frequently asked
Is Checkbox Survey safe and patched?
Checkbox Survey currently scores 20/100 — critical, with active exploitation. 1 of its known vulnerability is being actively exploited in the wild (CISA KEV), including CVE-2021-27852. Upgrade immediately and review your exposure to the actively-exploited CVEs below.
What should I do about Checkbox Survey now?
Review the patch-priority list, apply the available fixes (or move to the latest release), and confirm against Checkbox's official advisory. Some issues are under active exploitation, so treat this as urgent.
Why is Checkbox Survey listed on IsItPatched?
Checkbox Survey was added automatically because CISA's Known Exploited Vulnerabilities (KEV) catalog flagged it as actively exploited in the wild. IsItPatched tracks its known CVEs, severity (CVSS), exploitation probability (EPSS) and KEV status from public data; its version and lifecycle mapping is verified over time.
Has Checkbox Survey been actively exploited?
Yes. CISA added Checkbox Survey to its Known Exploited Vulnerabilities (KEV) catalog after confirming exploitation in the wild — the triggering vulnerability is CVE-2021-27852. Make sure you are running a patched, supported version of Checkbox Survey and confirm it against Checkbox's security advisory.
lifecycle unknown — needs latest supported version
Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against Checkbox's official advisory before you patch or upgrade — Checkbox Survey official site ↗