How severe is CVE-2018-18405?

CVE-2018-18405 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-18405 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-18405?

CVE-2018-18405 affects Jquery. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-18405?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-18405 published?

CVE-2018-18405 was published on 2020-04-22 and last updated on 2026-06-17.

CVE-2018-18405

CVE-2018-18405 is a medium-severity vulnerability in Jquery with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Jquery
Published: 2020-04-22
Last modified: 2026-06-17

Description

jQuery v2.2.2 allows XSS via a crafted onerror attribute of an IMG element. NOTE: this vulnerability has been reported to be spam entry

Frequently asked questions

What is CVE-2018-18405?: jQuery v2.2.2 allows XSS via a crafted onerror attribute of an IMG element. NOTE: this vulnerability has been reported to be spam entry
How severe is CVE-2018-18405?: CVE-2018-18405 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-18405 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-18405?: CVE-2018-18405 affects Jquery. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-18405?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-18405 published?: CVE-2018-18405 was published on 2020-04-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jquery:jquery:2.2.2:*:*:*:*:*:*:*

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