# CVE-2026-72747: AVideo Stored Cross-Site Scripting via Unauthenticated Registration

> Unauthenticated attackers can inject persistent JavaScript via the registration phone field, leading to admin session hijacking when viewed.

- **Severity:** Medium 5.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/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:** 11 Aug 2026
- **Updated:** 11 Aug 2026
- **Also known as:** GHSA-cfvq-r985-84wj, GHSA-mg62-j9w6-5hfh

## What is CVE-2026-72747?

CVE-2026-72747 is a medium-severity cross-site scripting vulnerability in WWBN AVideo, published on 11 Aug 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

AVideo fails to sanitize the phone field during user registration, allowing unauthenticated attackers to inject malicious JavaScript that persists in the database. When administrators visit the users management page, the unsanitized phone value is rendered via innerHTML, executing the injected script in the admin's browser session.

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

## Which versions are affected by CVE-2026-72747?


## How do I fix CVE-2026-72747?

No fix has been published for CVE-2026-72747 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-72747 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-72747 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-72747 and fix it if it is affected.

What it is: CVE-2026-72747 is a medium-severity cross-site scripting vulnerability in WWBN AVideo, published on 11 Aug 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-2026-72747 exists.

Affected product: WWBN AVideo. 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-2026-72747/ (Markdown: https://insights.sbomify.com/CVE-2026-72747/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-72747
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-72747
- OSV: https://osv.dev/vulnerability/CVE-2026-72747

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-72747/
Summaries are generated and may contain mistakes; the official description above is the record.