What is CVE-2018-20138?

CVE-2018-20138 is a medium-severity vulnerability in Readymadeb2bscript Entrepreneur B2b Script, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-12-13.

How severe is CVE-2018-20138?

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

XSS in Readymadeb2bscript Entrepreneur B2b Script

CVE-2018-20138

PHP Scripts Mall Entrepreneur B2B Script 3.0.6 allows Stored XSS via Account Settings fields such as FirstName and LastName, a similar issue to CVE-2018-14541.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-12-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.9th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.9% 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

Readymadeb2bscript Entrepreneur B2b Script — versions 3.0.6

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

suku90.wordpress.com/2018/12/13/php-b2b-script-stored-xss/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-20138?: CVE-2018-20138 is a medium-severity vulnerability in Readymadeb2bscript Entrepreneur B2b Script, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-12-13.
How severe is CVE-2018-20138?: Medium severity. CVSS v3 base score is 5.4 out of 10.