# CVE-2023-27091: Privilege escalation in n/a

> Attackers can escalate privileges in TeaCMS by manipulating id and keywords parameters, requiring an upgrade to secure the application.

- **Severity:** High 7.2 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 4 Apr 2023
- **Updated:** 18 Feb 2025
- **Also known as:** GHSA-9875-8h62-hq8g

## What is CVE-2023-27091?

CVE-2023-27091 is a high-severity vulnerability in n/a, published on 4 Apr 2023. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

An unauthorized access issue found in XiaoBingby TeaCMS 2.3.3 allows attackers to escalate privileges via the id and keywords parameter(s).

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2023-27091?

It affects 1 product.


Products: Teacms Project Teacms.

## How do I fix CVE-2023-27091?

No fix has been published for CVE-2023-27091 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-27091 being exploited?

There is no known exploitation of CVE-2023-27091 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2023-1483](https://insights.sbomify.com/CVE-2023-1483/): XiaoBingBy TeaCMS getallarticleinfo sql injection (medium 6.3)
- [CVE-2023-1398](https://insights.sbomify.com/CVE-2023-1398/): XiaoBingBy TeaCMS upload path traversal (medium 6.3)
- [CVE-2023-27090](https://insights.sbomify.com/CVE-2023-27090/): Cross-site scripting in n/a (medium 5.4)
- [CVE-2025-5033](https://insights.sbomify.com/CVE-2025-5033/): XiaoBingby TeaCMS addUser cross-site request forgery (medium 5.3)
- [CVE-2023-1616](https://insights.sbomify.com/CVE-2023-1616/): XiaoBingBy TeaCMS Article Title cross site scripting (low 3.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-27091 and fix it if it is affected.

What it is: CVE-2023-27091 is a high-severity vulnerability in n/a, published on 4 Apr 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-27091 in the wild and no public exploit code.

Affected product: n/a. 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-2023-27091/ (Markdown: https://insights.sbomify.com/CVE-2023-27091/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-27091
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-27091
- OSV: https://osv.dev/vulnerability/CVE-2023-27091

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-27091/
Summaries are generated and may contain mistakes; the official description above is the record.