CVE-2026-104479

MEDIUM 5.4

Shopclass before 6.2.0 Stored XSS via Listing Description Field

CVSS Score

5.4

EPSS Score

0.0%

EPSS Percentile

0th

Shopclass before 6.2.0 contains a stored cross-site scripting vulnerability that allows self-registered non-admin users to inject scripts into item listing descriptions when frontend TinyMCE is enabled. Attackers can submit malicious JavaScript, which ItemActions.php saves without tag stripping, causing it to execute in the site origin for any visitor viewing the listing.

CWE	CWE-79
Vendor	mindstellar
Product	shopclass
Published	Oct 2, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

mindstellar / shopclass

0 < 6.2.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/mindstellar/shopclass/commit/c196f70906522c9b9172c24f1b42cd0a02357422 github.com: https://github.com/mindstellar/shopclass vulncheck.com: https://www.vulncheck.com/advisories/shopclass-before-6.2.0-stored-xss-via-listing-description-field

Credits

Islomjon Tursunov