Security readout for executives and security teams
Plain-English summary
CVE-2021-47769 is a stored cross-site scripting issue in Bdtask Isshue Shopping Cart 3.5. A logged-in privileged user can place script content in title fields in stock, customer, and invoice areas. The script may run during preview, creating risk of account misuse, phishing, or limited data exposure.
Executive priority
Treat as a moderate-priority application risk. It is not reported as actively exploited in the provided sources, but it can affect administrative trust and user sessions. Prioritize if the product is internet-facing, used by multiple staff, or allows semi-trusted users to manage records.
Technical view
The vulnerability is CWE-79 persistent XSS in title inputs across stock, customer, and invoice modules. CVSS v4.0 is 5.1, with network access, low complexity, low privileges, and user interaction required. Public references include ExploitDB and Vulnerability-Lab entries, but the provided sources do not show confirmed active exploitation.
Likely exposure
Exposure is likely limited to organizations running Isshue Shopping Cart version 3.5, especially admin or back-office interfaces reachable by internal staff, vendors, or hosted tenant users. Risk increases where lower-trust privileged accounts can create or edit records viewed by other users.
Exploitation context
An attacker needs an authenticated privileged account and must get another user to preview or view affected content. The issue is persistent, so malicious content may remain in application records until removed. The source bundle notes possible session hijacking and persistent phishing impacts, but does not confirm real-world exploitation.
Researcher notes
Public technical references exist, including ExploitDB-50490 and Vulnerability-Lab. Avoid assuming broader version impact beyond 3.5. No patch details are included in the provided bundle. Validation should focus on confirmed product/version presence, role exposure, stored input handling, and whether vendor guidance supersedes the disclosure.
Mitigation direction
- Identify any Isshue Shopping Cart 3.5 deployments.
- Restrict admin and back-office access to trusted networks or users.
- Limit who can edit stock, customer, and invoice title fields.
- Review vendor guidance for fixed versions or official patches.
- Remove suspicious script-like content from affected title fields.
- Monitor affected interfaces for unusual privileged-user changes.
Validation and detection
- Confirm whether the installed product is Isshue Shopping Cart 3.5.
- Inventory users with privileges to edit affected modules.
- Review stock, customer, and invoice title fields for script-like content.
- Check whether previews render stored input as executable script.
- Review web logs for suspicious edits to affected records.
- Document compensating controls if no vendor fix is available.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2021-47769 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.1 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
5.1MediumVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-50490CVE reference · exploit
- Vulnerability-Lab DisclosureCVE reference · technical-description, exploit
- Official Product HomepageCVE reference · product
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.