Reflected XSS in Zen Cart before 1.5.7a

MEDIUM 6.1CVE-2020-6578 · GHSA-wxxx-2x6v-979f · Published 19/03/2021 · updated 17/06/2026

In short

CVE-2020-6578 is a MEDIUM (CVSS 6.1) vulnerability affecting zencart/zencart, zen cart (zen-cart).
Chance of exploitation in the next 30 days (EPSS): 0.84%, higher than 58.0% of all vulnerabilities.
Fix: update to 1.5.7a or later.

Package	Affected versions	Patched versions
zencart/zencart Packagist	`< 1.5.7a`	`1.5.7a`
zen cart zen-cart	`= 1.5.6d`	No fix yet

Description

Zen Cart 1.5.6d allows reflected XSS via the main_page parameter to includes/templates/template_default/common/tpl_main_page.php or includes/templates/responsive_classic/common/tpl_main_page.php.

NVD description

Zen Cart 1.5.6d allows reflected XSS via the main_page parameter to includes/templates/template_default/common/tpl_main_page.php or includes/templates/responsive_classic/common/tpl_main_page.php.

References

nvd.nist.gov/vuln/detail/CVE-2020-6578 · ADVISORY
zencart/zencart commit aa11e1e · WEB
herolab.usd.de/security-advisories/usd-2019-0069 · WEB
herolab.usd.de/security-advisories · Third Party Advisory
herolab.usd.de/security-advisories/usd-2019-0069 · Exploit

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Package

Affected versions

Patched versions

zencart/zencart

Packagist

< 1.5.7a

1.5.7a

zen cart

zen-cart

= 1.5.6d

No fix yet

Description

Zen Cart 1.5.6d allows reflected XSS via the main_page parameter to includes/templates/template_default/common/tpl_main_page.php or includes/templates/responsive_classic/common/tpl_main_page.php.

NVD description

Zen Cart 1.5.6d allows reflected XSS via the main_page parameter to includes/templates/template_default/common/tpl_main_page.php or includes/templates/responsive_classic/common/tpl_main_page.php.

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