# CVE-2021-24304: Newsmag < 5.0 - Unauthenticated Reflected Cross-site Scripting (XSS)

> Unauthenticated attackers can execute arbitrary scripts via the td_block_id parameter in the Newsmag WordPress theme.

- **Severity:** Medium 6.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N`)
- **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:** 9 Aug 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-r4x2-f4r3-gw2j

## What is CVE-2021-24304?

CVE-2021-24304 is a medium-severity cross-site scripting vulnerability in Unknown Newsmag, published on 9 Aug 2021. 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

The Newsmag WordPress theme before 5.0 does not sanitise the td_block_id parameter in its td_ajax_block AJAX action, leading to an unauthenticated Reflected Cross-site Scripting (XSS) vulnerability.

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

## Which versions are affected by CVE-2021-24304?

It affects 1 product.


Products: Tagdiv Newsmag.

## How do I fix CVE-2021-24304?

No fix has been published for CVE-2021-24304 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-24304 being exploited?

There is no known exploitation of CVE-2021-24304 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-24304 and fix it if it is affected.

What it is: CVE-2021-24304 is a medium-severity cross-site scripting vulnerability in Unknown Newsmag, published on 9 Aug 2021. 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-2021-24304 in the wild and no public exploit code.

Affected product: Unknown Newsmag. 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-2021-24304/ (Markdown: https://insights.sbomify.com/CVE-2021-24304/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-24304
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-24304
- OSV: https://osv.dev/vulnerability/CVE-2021-24304

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From sbomify Insights: https://insights.sbomify.com/CVE-2021-24304/
Summaries are generated and may contain mistakes; the official description above is the record.