What is CVE-2018-11501?

CVE-2018-11501 is a high-severity vulnerability in Website Seller Script Project, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2018-05-26.

How severe is CVE-2018-11501?

High severity. CVSS v3 base score is 8.8 out of 10.

XSS in Website Seller Script Project

CVE-2018-11501

PHP Scripts Mall Website Seller Script 2.0.3 has CSRF via user_submit.php?upd=2, with resultant XSS.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-05-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (48.5th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Website Seller Script Project — versions 2.0.3

Weakness classification (CWE)

References

whitehatck01.blogspot.com/2018/02/website-seller-script-203-stored-xss.html (Exploit, Third Party Advisory)
gkaim.com/cve-2018-11501-vikas-chaudhary/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-11501?: CVE-2018-11501 is a high-severity vulnerability in Website Seller Script Project, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2018-05-26.
How severe is CVE-2018-11501?: High severity. CVSS v3 base score is 8.8 out of 10.