# CVE-2026-77695: Woo Refund And Exchange Lite < 4.6.4 - Unauthenticated Guest Order Message Disclosure and Manipulation

> Unauthenticated attackers can read private order messages, post messages, and cancel return requests on any guest order due to missing ownership verification.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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:** 26 Aug 2026
- **Updated:** 26 Aug 2026
- **Also known as:** GHSA-72f4-h9h6-qgpx

## What is CVE-2026-77695?

CVE-2026-77695 is a medium-severity missing authorization vulnerability in Unknown Return Refund and Exchange For WooCommerce, published on 26 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The Return Refund and Exchange For WooCommerce WordPress plugin before 4.6.4 does not correctly verify the ownership of guest orders in some of the AJAX actions it exposes to unauthenticated users, allowing them to read private order messages, post messages and attachments in the customer's name, and cancel return requests on any guest order.

Weakness: CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2026-77695?


## How do I fix CVE-2026-77695?

No fix has been published for CVE-2026-77695 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-77695 being exploited?

There is no known exploitation of CVE-2026-77695 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-77695 and fix it if it is affected.

What it is: CVE-2026-77695 is a medium-severity missing authorization vulnerability in Unknown Return Refund and Exchange For WooCommerce, published on 26 Aug 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-2026-77695 in the wild and no public exploit code.

Affected product: Unknown Return Refund and Exchange For WooCommerce. 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-2026-77695/ (Markdown: https://insights.sbomify.com/CVE-2026-77695/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-77695
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-77695
- OSV: https://osv.dev/vulnerability/CVE-2026-77695

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-77695/
Summaries are generated and may contain mistakes; the official description above is the record.