XSS in Bdtask Isshue
CVE-2021-47769
Isshue Shopping Cart 3.5 contains a persistent cross-site scripting vulnerability in title input fields across stock, customer, and invoice modules. Attackers with privileged user accounts can inject malicious scripts that execute on preview, potentially enabling session hijacking and persistent phishing attacks.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.003 (16.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Bdtask Isshue — versions 3.5
- Bdtask Isshue Shopping Cart — versions 3.5
Weakness classification (CWE)
References
- disclosure@vulncheck.com (Exploit, Third Party Advisory, exploit)
- disclosure@vulncheck.com (technical-description, Third Party Advisory, exploit)
- disclosure@vulncheck.com (Product, product)
Frequently asked questions
- What is CVE-2021-47769?
- CVE-2021-47769 is a medium-severity vulnerability in Bdtask Isshue, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-01-15.
- How severe is CVE-2021-47769?
- Medium severity. CVSS v3 base score is 4.8 out of 10.