# CVE-2026-42673: Information disclosure in Activity Logs, User Activity Tracking, Multisite Activity Log from Logtivity

> Attackers can retrieve embedded sensitive data from sent information in the Logtivity WordPress plugin, exposing private user details.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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:** 1 Jun 2026
- **Updated:** 1 Jun 2026
- **Also known as:** GHSA-873w-p97p-f26x

## What is CVE-2026-42673?

CVE-2026-42673 is a high-severity vulnerability in Activity Logs, User Activity Tracking, Multisite Activity Log from Logtivity, published on 1 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Insertion of Sensitive Information Into Sent Data vulnerability in Logtivity Activity Logs Activity Logs, User Activity Tracking, Multisite Activity Log from Logtivity allows Retrieve Embedded Sensitive Data.

This issue affects Activity Logs, User Activity Tracking, Multisite Activity Log from Logtivity: from n/a through 3.3.6.

Weakness: CWE-201 (Insertion of Sensitive Information Into Sent Data)

## Which versions are affected by CVE-2026-42673?


## How do I fix CVE-2026-42673?

No fix has been published for CVE-2026-42673 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-42673 being exploited?

There is no known exploitation of CVE-2026-42673 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-42673 and fix it if it is affected.

What it is: CVE-2026-42673 is a high-severity vulnerability in Activity Logs, User Activity Tracking, Multisite Activity Log from Logtivity, published on 1 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-42673 in the wild and no public exploit code.

Affected product: Activity Logs, User Activity Tracking, Multisite Activity Log from Logtivity. 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-2026-42673/ (Markdown: https://insights.sbomify.com/CVE-2026-42673/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-42673
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-42673
- OSV: https://osv.dev/vulnerability/CVE-2026-42673

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-42673/
Summaries are generated and may contain mistakes; the official description above is the record.