# CVE-2023-5133: User Activity Log Pro < 2.3.4 - IP Spoofing

> Attackers can spoof IP addresses in the User Activity Log Pro plugin to hide malicious traffic sources, compromising audit integrity.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 16 Oct 2023
- **Updated:** 23 Apr 2025
- **Also known as:** GHSA-jqxm-w4mh-hq99

## What is CVE-2023-5133?

CVE-2023-5133 is a high-severity vulnerability in Unknown user-activity-log-pro, published on 16 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

This user-activity-log-pro WordPress plugin before 2.3.4 retrieves client IP addresses from potentially untrusted headers, allowing an attacker to manipulate its value. This may be used to hide the source of malicious traffic.

## Which versions are affected by CVE-2023-5133?

It affects 1 product.


Products: Solwininfotech User Activity Log.

## How do I fix CVE-2023-5133?

No fix has been published for CVE-2023-5133 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-5133 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-5133 exists.

## Other vulnerabilities in Unknown user-activity-log-pro

- [CVE-2023-3435](https://insights.sbomify.com/CVE-2023-3435/): User Activity Log < 1.6.5 - Unauthenticated SQLi (critical 9.8)
- [CVE-2023-37966](https://insights.sbomify.com/CVE-2023-37966/): WordPress User Activity Log Plugin <= 1.6.2 is vulnerable to SQL Injection (high 7.6)
- [CVE-2023-4279](https://insights.sbomify.com/CVE-2023-4279/): User Activity Log < 1.6.7 - IP Spoofing (high 7.5)
- [CVE-2023-2761](https://insights.sbomify.com/CVE-2023-2761/): User Activity Log < 1.6.3 - Admin+ SQL Injection (high 7.2)
- [CVE-2023-5167](https://insights.sbomify.com/CVE-2023-5167/): User Activity Log Pro < 2.3.4 - Unauthenticated Stored Cross-Site Scripting via User Agent (medium 5.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-5133 and fix it if it is affected.

What it is: CVE-2023-5133 is a high-severity vulnerability in Unknown user-activity-log-pro, published on 16 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-5133 exists.

Affected product: Unknown user-activity-log-pro. 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-2023-5133/ (Markdown: https://insights.sbomify.com/CVE-2023-5133/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-5133
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-5133
- OSV: https://osv.dev/vulnerability/CVE-2023-5133

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-5133/
Summaries are generated and may contain mistakes; the official description above is the record.