# CVE-2026-3075: WordPress Simple Ajax Chat plugin <= 20251121 - Sensitive Data Exposure vulnerability

> An attacker can retrieve sensitive system information from the Simple Ajax Chat WordPress plugin, potentially exposing internal data to unauthorized users.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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:** 23 Feb 2026
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-r222-jjm5-r49x

## What is CVE-2026-3075?

CVE-2026-3075 is a medium-severity vulnerability in Jeff Starr Simple Ajax Chat, published on 23 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in Jeff Starr Simple Ajax Chat simple-ajax-chat allows Retrieve Embedded Sensitive Data.This issue affects Simple Ajax Chat: from n/a through <= 20251121.

Weakness: CWE-497 (Exposure of Sensitive System Information to an Unauthorized Control Sphere)

## Which versions are affected by CVE-2026-3075?


## How do I fix CVE-2026-3075?

No fix has been published for CVE-2026-3075 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-3075 being exploited?

There is no known exploitation of CVE-2026-3075 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-3075 and fix it if it is affected.

What it is: CVE-2026-3075 is a medium-severity vulnerability in Jeff Starr Simple Ajax Chat, published on 23 Feb 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-2026-3075 in the wild and no public exploit code.

Affected product: Jeff Starr Simple Ajax Chat. 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-2026-3075/ (Markdown: https://insights.sbomify.com/CVE-2026-3075/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-3075
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-3075
- OSV: https://osv.dev/vulnerability/CVE-2026-3075

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-3075/
Summaries are generated and may contain mistakes; the official description above is the record.