# CVE-2025-8751: Protected Total WebShield Extension Block Page cross site scripting

> Attackers can inject malicious scripts into the block page of the Total WebShield Chrome extension, potentially compromising user sessions.

- **Severity:** Low 2.3 (`CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 9 Aug 2025
- **Updated:** 11 Aug 2025
- **Also known as:** GHSA-92g3-v69j-fg5f

## What is CVE-2025-8751?

CVE-2025-8751 is a low-severity cross-site scripting vulnerability in Protected Total WebShield Extension, published on 9 Aug 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

A vulnerability was found in Protected Total WebShield Extension up to 3.2.0 on Chrome. It has been classified as problematic. This affects an unknown part of the component Block Page. The manipulation of the argument Category leads to cross site scripting. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-94 (Improper Control of Generation of Code), CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2025-8751?

It affects 1 product.


Products: Totalwebshield Total Webshield.

## How do I fix CVE-2025-8751?

No fix has been published for CVE-2025-8751 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-8751 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-8751 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-8751 and fix it if it is affected.

What it is: CVE-2025-8751 is a low-severity cross-site scripting vulnerability in Protected Total WebShield Extension, published on 9 Aug 2025. An attacker can exploit it over the internet without logging in, 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-2025-8751 exists.

Affected product: Protected Total WebShield Extension. 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-2025-8751/ (Markdown: https://insights.sbomify.com/CVE-2025-8751/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-8751
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-8751
- OSV: https://osv.dev/vulnerability/CVE-2025-8751

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-8751/
Summaries are generated and may contain mistakes; the official description above is the record.
