# CVE-2025-6762: diyhi bbs HTTP Header login getUrl server-side request forgery

> Attackers can exploit a server-side request forgery vulnerability in diyhi BBS by manipulating the Host header, potentially accessing internal resources.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 27 Jun 2025
- **Updated:** 27 Jun 2025
- **Also known as:** GHSA-36v8-f67v-63cx

## What is CVE-2025-6762?

CVE-2025-6762 is a medium-severity server-side request forgery vulnerability in diyhi bbs, published on 27 Jun 2025. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability classified as critical has been found in diyhi bbs up to 6.8. This affects the function getUrl of the file /admin/login of the component HTTP Header Handler. The manipulation of the argument Host leads to server-side request forgery. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Weakness: CWE-918 (Server-Side Request Forgery)

## Which versions are affected by CVE-2025-6762?

It affects 1 product.


Products: Diyhi Bbs.

## How do I fix CVE-2025-6762?

No fix has been published for CVE-2025-6762 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-6762 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-6762 exists.

## Other vulnerabilities in diyhi bbs

- [CVE-2021-43097](https://insights.sbomify.com/CVE-2021-43097/): Code injection in n/a (high 7.2)
- [CVE-2021-43098](https://insights.sbomify.com/CVE-2021-43098/): File upload in n/a (high 7.2)
- [CVE-2021-43100](https://insights.sbomify.com/CVE-2021-43100/): File upload in n/a (high 7.2)
- [CVE-2021-43101](https://insights.sbomify.com/CVE-2021-43101/): File upload in n/a (high 7.2)
- [CVE-2021-43102](https://insights.sbomify.com/CVE-2021-43102/): File upload in n/a (high 7.2)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-6762 and fix it if it is affected.

What it is: CVE-2025-6762 is a medium-severity server-side request forgery vulnerability in diyhi bbs, published on 27 Jun 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-6762 exists.

Affected product: diyhi bbs. 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-2025-6762/ (Markdown: https://insights.sbomify.com/CVE-2025-6762/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-6762
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-6762
- OSV: https://osv.dev/vulnerability/CVE-2025-6762

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-6762/
Summaries are generated and may contain mistakes; the official description above is the record.