CVE-2021-25963 - CVE House

Status published Medium CVE-2021-25963

Shuup - Reflected XSS in Error Page

6.1 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from shuup

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CVE-2021-25962

Shuup - Formula Injection in Checkout Addresses

High 8

Affected Vendor

shuup

View all reports →

Affected Software

shuup

Vulnerable Versions:

1.6.0

Timeline

Official Publish: September 30th, 2021

Last Modified: April 30th, 2025

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weaknesses (CWE)

CWE-79

MITRE ATT&CK TTPs

T1189 Drive-by Compromise

Initial Access

T1059.007 JavaScript

Execution

T1539 Steal Web Session Cookie

Collection

T1213 Data from Information Repositories