# CVE-2021-20846: Cross-site request forgery in Push Notifications for WordPress (Lite)

> A CSRF vulnerability in a WordPress plugin allows attackers to hijack administrator sessions and perform unauthorized actions via crafted web pages.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`)
- **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:** 24 Nov 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-9vc7-frrv-8mwx

## What is CVE-2021-20846?

CVE-2021-20846 is a high-severity vulnerability in Delite Studio Push Notifications for WordPress (Lite), published on 24 Nov 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

Cross-site request forgery (CSRF) vulnerability in Push Notifications for WordPress (Lite) versions prior to 6.0.1 allows a remote attacker to hijack the authentication of an administrator and conduct an arbitrary operation via a specially crafted web page.

Weakness: CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2021-20846?

It affects 1 product.


Products: Delitestudio Push Notifications for Wordpress.

## How do I fix CVE-2021-20846?

No fix has been published for CVE-2021-20846 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-20846 being exploited?

There is no known exploitation of CVE-2021-20846 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-20846 and fix it if it is affected.

What it is: CVE-2021-20846 is a high-severity vulnerability in Delite Studio Push Notifications for WordPress (Lite), published on 24 Nov 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-2021-20846 in the wild and no public exploit code.

Affected product: Delite Studio Push Notifications for WordPress (Lite). 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-2021-20846/ (Markdown: https://insights.sbomify.com/CVE-2021-20846/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-20846
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-20846
- OSV: https://osv.dev/vulnerability/CVE-2021-20846

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-20846/
Summaries are generated and may contain mistakes; the official description above is the record.