How severe is CVE-2018-20462?

CVE-2018-20462 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-2018-20462 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20462?

CVE-2018-20462 affects Jsmol2wp Project Jsmol2wp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-20462?

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

When was CVE-2018-20462 published?

CVE-2018-20462 was published on 2018-12-25 and last updated on 2026-06-17.

CVE-2018-20462

CVE-2018-20462 is a medium-severity vulnerability in Jsmol2wp Project Jsmol2wp 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: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Jsmol2wp Project Jsmol2wp
Published: 2018-12-25
Last modified: 2026-06-17

Description

An issue was discovered in the JSmol2WP plugin 1.07 for WordPress. A cross-site scripting (XSS) vulnerability allows remote attackers to inject arbitrary web script or HTML via the jsmol.php data parameter.

Frequently asked questions

What is CVE-2018-20462?: An issue was discovered in the JSmol2WP plugin 1.07 for WordPress. A cross-site scripting (XSS) vulnerability allows remote attackers to inject arbitrary web script or HTML via the jsmol.php data parameter.
How severe is CVE-2018-20462?: CVE-2018-20462 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-2018-20462 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20462?: CVE-2018-20462 affects Jsmol2wp Project Jsmol2wp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-20462?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-20462 published?: CVE-2018-20462 was published on 2018-12-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jsmol2wp_project:jsmol2wp:1.07:*:*:*:*:wordpress:*:*

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