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CVE-2020-11022

Cross-site Scripting: Is CVE-2020-11022 real, exploitable, or a false positive? Here's the community verdict.

Community verdict: No field verdicts yet. Be the first practitioner to weigh in.

signals

public sources

Exploited in wild
Yes
VulnCheck KEV · Jan 21, 2021
Public exploit
Exploit-DB +1
Metasploit/EDB/PoC
Base severity
6.9 Medium
CVSS
Exploitation prob.
99%
FIRST EPSS
Weakness
CWE-79 · Cross-site Scripting
CWE

Reported exploited in the wild (VulnCheck KEV), though not in CISA KEV yet. Treat it as urgent and check your exposure.

cisa ssvc

CISA Vulnrichment · assessed

Exploitation
None
in the wild
Automatable
No
at scale
Technical impact
Partial
on success

CISA decision, by how critical the affected system is to you:

  • low impact → Track
  • medium impact → Track
  • high impact → Track

Track: normal patch cycle · Track*: watch closely · Attend: patch sooner · Act: patch now. About SSVC ↗

public exploits

links to sources — we don’t host code

A working exploit is publicly available from a maintained source. Treat this as higher urgency and verify your exposure.

affected packages

GHSA-gxr4-xjj5-5px2 · GitHub rates it moderate
  • npmjquery
    Vulnerable
    ≥ 1.12.0, < 3.5.0
    Fixed in
    3.5.0
  • NuGetjquery
    Vulnerable
    ≥ 1.12.0, < 3.5.0
    Fixed in
    3.5.0
  • RubyGemsjquery-rails
    Vulnerable
    < 4.4.0
    Fixed in
    4.4.0
  • Mavenorg.webjars.npm:jquery
    Vulnerable
    ≥ 1.12.0, < 3.5.0
    Fixed in
    3.5.0
  • Composermaximebf/debugbar
    Vulnerable
    < 1.19.0
    Fixed in
    1.19.0
  • Composerathlon1600/youtube-downloader
    Vulnerable
    < 4.0.1
    Fixed in
    4.0.1
1 more package
  • Composercomponents/jquery
    Vulnerable
    ≥ 1.12.0, < 3.5.0
    Fixed in
    3.5.0

Source: GitHub Advisory Database (CC-BY 4.0), via OSV.dev. Check your lockfile version against the ranges above.

baseline read

auto · not a community verdict

Low signal — verdict needed

Few public signals point to active risk. Whether a scanner hit here is a true or false positive depends on your version and config — community verdicts decide.

Based on CVSS · FIRST EPSS

Confirm or dispute →

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N

In jQuery starting with 1.12.0 and before 3.5.0, passing HTML from untrusted sources - even after sanitizing it - to one of jQuery's DOM manipulation methods (i.e. .html(), .append(), and others) may execute untrusted code. This problem is patched in jQuery 3.5.0.

Published

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timeline

  1. CISA SSVC assessment · exploitation: none
  2. Added to VulnCheck KEV · reported exploited in the wild
  3. Published by NVD

Score and exploit changes tracked since .

Community ground truth

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So far this is only TruePositive's editorial baseline from public sources. Add your real-world verdict below — it becomes the signal the next person triaging this relies on.

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In your experience, is this finding real and exploitable?

awaiting field verdicts
Real, but not a risk here
Not a real issue

Curated baseline: A curated baseline from public sources, shown separately from community verdicts.

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Field notes & remediation

Verdicts are the quick signal. Notes are the evidence and fixes behind them.

  • 0
    Field note · TruePositive EditorialCurated

    No confirmed in-the-wild exploitation or public exploit was found for this yet. FIRST EPSS estimates about a 99% chance of exploitation in the next 30 days, which is high relative to most CVEs.

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Same weakness: CWE-79 · Cross-site Scripting.