Summary iPlain-English security verdict for JQuery, generated from its current health score, actively-exploited vulnerabilities, and latest supported version.
JQuery currently scores 20/100 — critical, with active exploitation. 1 of its known vulnerability is being actively exploited in the wild (CISA KEV), including CVE-2020-11023. Upgrade immediately and review your exposure to the actively-exploited CVEs below.
Disclosure trend iNew CVEs published for JQuery 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-2020-11023 MEDIUM exploited Cross-site scripting (XSS) EPSS 84% → fixed in 3.5.0 CVE-2020-11022 MEDIUM Cross-site scripting (XSS) EPSS 99% → fixed in 3.5.0 CVE-2019-11358 MEDIUM Prototype pollution EPSS 87% → fixed in 3.4.0 CVE-2015-9251 MEDIUM Cross-site scripting (XSS) EPSS 30% → fixed in 3.0.0Get alerted about JQuery
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Frequently asked
Is JQuery safe and patched?
JQuery currently scores 20/100 — critical, with active exploitation. 1 of its known vulnerability is being actively exploited in the wild (CISA KEV), including CVE-2020-11023. Upgrade immediately and review your exposure to the actively-exploited CVEs below.
What should I do about JQuery now?
Review the patch-priority list, apply the available fixes (or move to the latest release), and confirm against JQuery's official advisory. Some issues are under active exploitation, so treat this as urgent.
Why is JQuery listed on IsItPatched?
JQuery 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.
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 JQuery's official advisory before you patch or upgrade.