Vulnerability

CVE-2020-11023

Medium· 6.9KEVEXPLOITCVSS6.9EPSS34%

.rules3/5

JQuery Cross-Site Scripting (XSS) Vulnerability

JQuery contains a persistent cross-site scripting (XSS) vulnerability. When passing maliciously formed, untrusted input enclosed in HTML tags, JQuery's DOM manipulators can execute untrusted code in the context of the user's browser.

Threat signal

90/100

Severe

Severity

medium

CVSS

6.9

EPSS

34%

Active

KEV

CISA KEV — actively exploited

485d overdue

AffectedJQuery — JQuery

Added to KEV

2025-01-23

Federal patch due (BOD 22-01)

2025-02-13

Required action (CISA verbatim)

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Vendor advisory + references

CISA description: “JQuery contains a persistent cross-site scripting (XSS) vulnerability. When passing maliciously formed, untrusted input enclosed in HTML tags, JQuery's DOM manipulators can execute untrusted code in the context of the user's browser.”

CVSS

v3.1via OSVOpen in FIRST calculator →

6.9/ 10MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N

Attack VectorNetworkExploitable remotely over the internet — no local access needed.
Attack ComplexityHighRequires conditions outside attacker's control (race, brute-force, configuration
Privileges RequiredNoneUnauthenticated — no credentials needed.
User InteractionRequiredRequires user action (click, file open, etc).
ScopeChangedImpact extends beyond the vulnerable component (e.g. sandbox escape).
Confidentiality ImpactHighTotal disclosure of sensitive data.
Integrity ImpactLowSome data modification; attacker doesn't fully control extent.
Availability ImpactNoneNo availability impact.

EPSS

Exploit prediction · 30-day horizonFIRST.org →

34.1%

probability of exploitation in next 30 days

p97

higher than 97% of all CVEs

3-day trend↑ 0pp

Above the FIRST 'patch on a priority schedule' threshold.

Vendor VEX

No VEX statements published for CVE-2020-11023. Vendors publish VEX (Vulnerability Exploitability eXchange) to assert per-product whether a CVE is actually exploitable in their distribution.

SSVCAttend

Active exploitation with limited impact — coordinate patching

exploitation: active
automatable: no
impact: partial
mission: support

Lifecycle

2021-04-21Vendor advisory · amazon-linuxALAS2-2021-1626 — ALAS2-2021-1626 (medium): ipa
2025-01-23Added to CISA KEVransomware: Unknown
2025-01-23Public exploit observedexploitdb
2025-01-23Published
2025-02-13Federal patch due (BOD 22-01)
2026-06-12Last modified2 sources

Entity graph

2 nodes · 1 edges · click to pivot

CVEActorVendor advisoryIOCNews

Vendor advisories

amazon-linuxALAS2-2021-1626ALAS2-2021-1626 (medium): ipa

References

No source-event history recorded yet. New revisions will appear here as ingestors re-fetch this CVE.