# CVE-2005-1193: Cross-site scripting in n/a

> Remote attackers can execute arbitrary script via malicious BBcode tags in phpBB, potentially leading to session hijacking or code execution.

- **Severity:** High 7.5 (`AV:N/AC:L/Au:N/C:P/I:P/A: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:** 16 May 2005
- **Updated:** 7 Aug 2024
- **Also known as:** GHSA-hx29-wwjw-h4m7

## What is CVE-2005-1193?

CVE-2005-1193 is a high-severity cross-site scripting vulnerability in Phpbb Group Phpbb, published on 16 May 2005. 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

The bbencode_second_pass and make_clickable functions in bbcode.php for phpBB before 2.0.15, as used in viewtopic.php, privmsg.php, and other scripts, allow remote attackers to execute arbitrary script via a BBcode tag with a (1) javascript:, (2) applet:, (3) about:, (4) activex:, (5) chrome:, or (6) script: URI scheme, as demonstrated using the URL tag.

## Which versions are affected by CVE-2005-1193?

It affects 1 product.


Products: Phpbb Group Phpbb.

## How do I fix CVE-2005-1193?

No fix has been published for CVE-2005-1193 yet. Limit exposure of the affected software until one is available.

## Is CVE-2005-1193 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2005-1193 exists.

Public exploit code:

- phpBB 2.0.x - 'BBCode.php' URL Tag (exploitdb)

## Other vulnerabilities in Phpbb Group Phpbb

- [CVE-2007-1695](https://insights.sbomify.com/CVE-2007-1695/): File upload in n/a (critical 10.0)
- [CVE-2006-6839](https://insights.sbomify.com/CVE-2006-6839/): Open redirect in n/a (critical 10.0)
- [CVE-2006-6840](https://insights.sbomify.com/CVE-2006-6840/): Other in n/a (critical 10.0)
- [CVE-2006-6841](https://insights.sbomify.com/CVE-2006-6841/): Cross-site request forgery in n/a (critical 10.0)
- [CVE-2002-2176](https://insights.sbomify.com/CVE-2002-2176/): SQL injection in n/a (critical 10.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2005-1193 and fix it if it is affected.

What it is: CVE-2005-1193 is a high-severity cross-site scripting vulnerability in Phpbb Group Phpbb, published on 16 May 2005. 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-2005-1193 exists.

Affected product: Phpbb Group Phpbb. 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-2005-1193/ (Markdown: https://insights.sbomify.com/CVE-2005-1193/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2005-1193
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2005-1193
- OSV: https://osv.dev/vulnerability/CVE-2005-1193

---
From sbomify Insights: https://insights.sbomify.com/CVE-2005-1193/
Summaries are generated and may contain mistakes; the official description above is the record.