What is CVE-2020-20640?

CVE-2020-20640 is a medium-severity vulnerability in Shopex Ecshop, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-06-28.

How severe is CVE-2020-20640?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2020-20640 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Shopex Ecshop

CVE-2020-20640

Cross Site Scripting (XSS) vulnerability in ECShop 4.0 due to security filtering issues, in the user.php file, we can use the html entity encoding to bypass the security policy of the safety.php file, triggering the xss vulnerability.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.010 (58.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Shopex Ecshop — versions 4.0
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-20640?: CVE-2020-20640 is a medium-severity vulnerability in Shopex Ecshop, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-06-28.
How severe is CVE-2020-20640?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2020-20640 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.