What’s Vulnerable › Vulnerabilities

CVE-2021-25963: Shuup - Reflected XSS in Error Page

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-09-30 · updated 2026-06-17
• Weakness: CWE-79

Description

In Shuup, versions 1.6.0 through 2.10.8 are vulnerable to reflected Cross-Site Scripting (XSS) that allows execution of arbitrary javascript code on a victim browser. This vulnerability exists due to the error page contents not escaped.

Affected products

• shuup: from 1.6.0 through 2.10.8

References

• https://github.com/shuup/shuup/commit/75714c37e32796eb7cbb0d977af5bcaa26573588
• https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25963
• https://github.com/shuup/shuup/commit/75714c37e32796eb7cbb0d977af5bcaa26573588
• https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25963

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