Cross Site Scripting (XSS) vulnerability in ECShop 4.0 due to security filtering issues…
Priority LOW 29CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
Cross Site Scripting (XSS) vulnerability in ECShop 4.0 due to security filtering issues, in the user.php file, we can use the html entity encoding to bypass the security policy of the safety.php file, triggering the xss vulnerability.
Why it matters now
EPSS 0.00876 59th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-20640
- 2026-10-03 Alias added: GHSA-v739-645c-vfcr
References
More ShopEx Ecshop vulnerabilities
- TI-2023-04869 ECshop order.php sql injection CVSS 3.1HIGH 8.8
- TI-2021-19515 ecshop v2.7.3 is affected by a SQL injection vulnerability in shopex\ecshop\upload\api\client\api.php. CVSS 3.1CRITICAL 9.8
- TI-2020-14299 SQL Injection in ECShop 3.0 via the aid parameter to admin/affiliate_ck.php. CVSS 3.1CRITICAL 9.8
- TI-2020-14298 SQL Injection in ECShop 3.0 via the id parameter to admin/shophelp.php. CVSS 3.1CRITICAL 9.8
- TI-2020-14297 SQL Injection in ECShop 2.7.6 via the goods_number parameter to flow.php. CVSS 3.1CRITICAL 9.8
- TI-2023-00743 EcShop PHP File template.php unrestricted upload CVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-20640 · CVE Program
- CVE-2020-20640 · NVD
- FIRST EPSS
- GHSA-v739-645c-vfcr · 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