# CVE-2023-30473: WordPress YML for Yandex Market Plugin <= 3.10.7 is vulnerable to Cross Site Scripting (XSS)

> Unauthenticated attackers can execute arbitrary scripts in the context of other users via reflected XSS in the YML for Yandex Market plugin.

- **Severity:** High 7.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 16 Aug 2023
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-fc82-wf49-3r83

## What is CVE-2023-30473?

CVE-2023-30473 is a high-severity cross-site scripting vulnerability in Maxim Glazunov YML for Yandex Market, published on 16 Aug 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Maxim Glazunov YML for Yandex Market plugin <= 3.10.7 versions.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2023-30473?

It affects 1 product.


Products: Icopydoc Yml for Yandex Market.

## How do I fix CVE-2023-30473?

No fix has been published for CVE-2023-30473 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-30473 being exploited?

There is no known exploitation of CVE-2023-30473 in the wild and no public exploit code.

## Other vulnerabilities in Maxim Glazunov YML for Yandex Market

- [CVE-2024-9378](https://insights.sbomify.com/CVE-2024-9378/): YML for Yandex Market <= 4.7.2 - Reflected Cross-Site Scripting (medium 6.1)
- [CVE-2024-1365](https://insights.sbomify.com/CVE-2024-1365/): YML for Yandex Market <= 4.2.3 - Reflected Cross-Site Scripting (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-30473 and fix it if it is affected.

What it is: CVE-2023-30473 is a high-severity cross-site scripting vulnerability in Maxim Glazunov YML for Yandex Market, published on 16 Aug 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2023-30473 in the wild and no public exploit code.

Affected product: Maxim Glazunov YML for Yandex Market. 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-2023-30473/ (Markdown: https://insights.sbomify.com/CVE-2023-30473/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-30473
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-30473
- OSV: https://osv.dev/vulnerability/CVE-2023-30473

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-30473/
Summaries are generated and may contain mistakes; the official description above is the record.