How severe is CVE-2018-16456?

CVE-2018-16456 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-2018-16456 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-16456?

CVE-2018-16456 affects Phpscriptsmall Website Seller Script. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-16456?

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

When was CVE-2018-16456 published?

CVE-2018-16456 was published on 2018-10-04 and last updated on 2026-06-17.

CVE-2018-16456

CVE-2018-16456 is a medium-severity vulnerability in Phpscriptsmall Website Seller Script 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% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Phpscriptsmall Website Seller Script
Published: 2018-10-04
Last modified: 2026-06-17

Description

PHP Scripts Mall Website Seller Script 2.0.5 has XSS via a keyword. NOTE: This may overlap with CVE-2018-6870 which has XSS via the Listings Search feature.

Frequently asked questions

What is CVE-2018-16456?: PHP Scripts Mall Website Seller Script 2.0.5 has XSS via a keyword. NOTE: This may overlap with CVE-2018-6870 which has XSS via the Listings Search feature.
How severe is CVE-2018-16456?: CVE-2018-16456 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-2018-16456 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-16456?: CVE-2018-16456 affects Phpscriptsmall Website Seller Script. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-16456?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-16456 published?: CVE-2018-16456 was published on 2018-10-04 and last updated on 2026-06-17.

References

https://googlequeens.com/2018/09/04/cve-2018-16456-website-seller-scriptwebsite-seller-script-2-0-5-stored-xss-via-search-by-keyword/

Affected products (1)

cpe:2.3:a:phpscriptsmall:website_seller_script:2.0.5:*:*:*:*:*:*:*

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