# CVE-2021-47769: Isshue Shopping Cart 3.5 - 'Title' Cross Site Scripting (XSS)

> Privileged users can inject persistent scripts into title fields, enabling session hijacking and phishing attacks in Isshue Shopping Cart.

- **Severity:** Medium 5.1 (`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`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 15 Jan 2026
- **Updated:** 26 Jan 2026
- **Also known as:** GHSA-9ghv-qpxv-wccq

## What is CVE-2021-47769?

CVE-2021-47769 is a medium-severity cross-site scripting vulnerability in Bdtask Isshue Shopping Cart, published on 15 Jan 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

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.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2021-47769?

It affects 1 product.


Products: Bdtask Isshue.

## How do I fix CVE-2021-47769?

No fix has been published for CVE-2021-47769 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-47769 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47769 exists.

## Other vulnerabilities in Bdtask Isshue Shopping Cart

- [CVE-2025-13239](https://insights.sbomify.com/CVE-2025-13239/): Bdtask/CodeCanyon Isshue Multi Store eCommerce Shopping Cart Solution submit_checkout behavioral workflow (medium 5.3)
- [CVE-2025-13186](https://insights.sbomify.com/CVE-2025-13186/): Bdtask/CodeCanyon Isshue Multi Store eCommerce Shopping Cart Solution manage_customer cross site scripting (medium 4.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-47769 and fix it if it is affected.

What it is: CVE-2021-47769 is a medium-severity cross-site scripting vulnerability in Bdtask Isshue Shopping Cart, published on 15 Jan 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47769 exists.

Affected product: Bdtask Isshue Shopping Cart. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2021-47769/ (Markdown: https://insights.sbomify.com/CVE-2021-47769/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-47769
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-47769
- OSV: https://osv.dev/vulnerability/CVE-2021-47769

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-47769/
Summaries are generated and may contain mistakes; the official description above is the record.