XSS in Ec-Cube
CVE-2021-20717
Cross-site scripting vulnerability in EC-CUBE 4.0.0 to 4.0.5 allows a remote attacker to inject a specially crafted script in the specific input field of the EC web site which is created using EC-CUBE. As a result, it may lead to an arbitrary script execution on the administrator's web browser.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.023 (82.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000
Affected products
- Ec-Cube
- Ec-Cube Co.,ltd. — versions 4.0.0 to 4.0.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.ec-cube.net/news/detail.php (Patch, Vendor Advisory)
- www.ec-cube.net/news/detail.php (Patch, Vendor Advisory)
- jvn.jp/en/jp/JVN97554111/index.html (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-20717?
- CVE-2021-20717 is a medium-severity vulnerability in Ec-Cube, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-05-10.
- How severe is CVE-2021-20717?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2021-20717 known to be exploited?
- 14 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.