What is CVE-2018-20530?

CVE-2018-20530 is a medium-severity vulnerability in Website Seller Script Project, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-12-28.

How severe is CVE-2018-20530?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Website Seller Script Project

CVE-2018-20530

PHP Scripts Mall Website Seller Script 2.0.5 has XSS via a Profile field such as Company Address, a related issue to CVE-2018-15896.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-12-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (42.8th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Website Seller Script Project — versions 2.0.5

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

suku90.wordpress.com/2018/12/27/php-scripts-mall-website-seller-script-2-0-5-st… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-20530?: CVE-2018-20530 is a medium-severity vulnerability in Website Seller Script Project, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-12-28.
How severe is CVE-2018-20530?: Medium severity. CVSS v3 base score is 5.4 out of 10.