How severe is CVE-2017-18494?

CVE-2017-18494 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-2017-18494 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-18494?

CVE-2017-18494 affects Bestwebsoft Custom Search. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-18494?

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

When was CVE-2017-18494 published?

CVE-2017-18494 was published on 2019-08-13 and last updated on 2026-06-17.

CVE-2017-18494

CVE-2017-18494 is a medium-severity vulnerability in Bestwebsoft Custom Search 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: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Bestwebsoft Custom Search
Published: 2019-08-13
Last modified: 2026-06-17

Description

The custom-search-plugin plugin before 1.36 for WordPress has multiple XSS issues.

Frequently asked questions

What is CVE-2017-18494?: The custom-search-plugin plugin before 1.36 for WordPress has multiple XSS issues.
How severe is CVE-2017-18494?: CVE-2017-18494 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-2017-18494 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-18494?: CVE-2017-18494 affects Bestwebsoft Custom Search. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-18494?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-18494 published?: CVE-2017-18494 was published on 2019-08-13 and last updated on 2026-06-17.

References

https://wordpress.org/plugins/custom-search-plugin/#developers

Affected products (1)

cpe:2.3:a:bestwebsoft:custom_search:*:*:*:*:*:wordpress:*:*

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