CVE-2018-18405Network attack vector

Disputed script execution via IMG onerror attribute

Published Apr 22, 2020 · Updated Aug 5, 2024

Cross-site scripting in jQuery 2.2.2 is claimed to let remote attackers execute script through an IMG element with a crafted onerror attribute. The public record identifies no faulty jQuery API, code path, or incorrect operation beyond the browser processing that attribute. Browser execution requires user interaction, but Red Hat rejects the claim as spam and Ubuntu marks its jQuery packages not affected.

CVSS severity6.1
Medium
EPSS probability1.66%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in jQuery 2.2.2 is claimed to let remote attackers execute script through an IMG element with a crafted onerror attribute. The public record identifies no faulty jQuery API, code path, or incorrect operation beyond the browser processing that attribute. Browser execution requires user interaction, but Red Hat rejects the claim as spam and Ubuntu marks its jQuery packages not affected.

The record

CVE
CVE-2018-18405
Published
Apr 22, 2020
Updated
Aug 5, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 22, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 5, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.1Canonical UbuntuCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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