Stored XSS in TopEase
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
Persistent Cross Site Scripting in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27 via the Structure Component allows an authenticated remote attacker with Object Modification privileges to inject arbitrary HTML and JavaScript code in an object attribute, which is then rendered in the Structure Component, to alter the intended functionality and steal cookies, the latter allowing for account takeover.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Business-DNA Solutions GmbH | TopEase | up to 7.1.27 | — | No fix listed | CNA |
- TopEase VendorBusiness-DNA Solutions GmbH Affected up to 7.1.27 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:businessdnasolutions:topease:*:*:*:*:*:*:*:* | up to 7.1.27 | Vulnerable | Business-DNA Solutions GmbH |
- cpe:2.3:a:businessdnasolutions:topease:*:*:*:*:*:*:*:* Versions up to 7.1.27 Vulnerable ·Business-DNA Solutions GmbH
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-42118
- 2026-10-03 Alias added: GHSA-qjch-qr2h-mw52
References
More Business-DNA Solutions GmbH Topease vulnerabilities
- TI-2021-18829 Lack of Rate limiting in Authentication in TopEase CVSS 3.1CRITICAL 9.8
- TI-2021-18623 Missing HTTPOnly flag on sensitive cookie in TopEase CVSS 3.1CRITICAL 9.1
- TI-2021-18631 Missing Upload Filter in TopEase CVSS 3.1HIGH 8.8
- TI-2021-18627 Stored XSS in Search Function in TopEase CVSS 3.1HIGH 7.3
- TI-2021-18628 Missing Character Length (Denial of Service) in TopEase CVSS 3.1MEDIUM 6.5
- TI-2021-18625 UI Redressing in TopEase CVSS 3.1MEDIUM 5.4
Sources
- CVE-2021-42118 · CVE Program
- CVE-2021-42118 · NVD
- FIRST EPSS
- GHSA-qjch-qr2h-mw52 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences