XSS in Cs-Cart
CVE-2025-50848
A file upload vulnerability was discovered in CS Cart 4.18.3, allows attackers to execute arbitrary code. CS Cart 4.18.3 allows unrestricted upload of HTML files, which are rendered directly in the browser when accessed. This allows an attacker to upload a crafted HTML file containing malicious content, such as a fake login form for credential harvesting or scripts for Cross-Site Scripting (XSS) attacks. Since the content is served from a trusted domain, it significantly increases the likelihood of successful phishing or script execution against other users.
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: 0.002 (11.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 11.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Cs-Cart — versions 4.18.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cs.com (Not Applicable)
- github.com/hackerwahab/CS-Cart-Vulns/blob/main/CVE-2025-50848.md (Third Party Advisory)
Frequently asked questions
- What is CVE-2025-50848?
- CVE-2025-50848 is a medium-severity vulnerability in Cs-Cart, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-07-31.
- How severe is CVE-2025-50848?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2025-50848 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.