# CVE-2021-36823: WordPress Absolutely Glamorous Custom Admin plugin <= 6.8 - Auth. Stored Cross-Site Scripting (XSS) vulnerability

> An attacker can inject malicious scripts into the WordPress admin interface via the Absolutely Glamorous Custom Admin plugin, potentially compromising administrator accounts.

- **Severity:** Medium 6.6 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 23 Sep 2021
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-5qj7-xwrg-68v3

## What is CVE-2021-36823?

CVE-2021-36823 is a medium-severity cross-site scripting vulnerability in Cusmin AGCA - Absolutely Glamorous Custom Admin (WordPress plugin), published on 23 Sep 2021. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Cusmin AGCA - Absolutely Glamorous Custom Admin (WordPress plugin) allows Stored XSS.This issue affects AGCA - Absolutely Glamorous Custom Admin (WordPress plugin): from n/a through 6.8.

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

## Which versions are affected by CVE-2021-36823?

It affects 1 product.


Products: Cusmin Absolutely Glamorous Custom Admin.

## How do I fix CVE-2021-36823?

No fix has been published for CVE-2021-36823 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-36823 being exploited?

There is no known exploitation of CVE-2021-36823 in the wild and no public exploit code.

## Other vulnerabilities in Cusmin AGCA - Absolutely Glamorous Custom Admin (WordPress plugin)

- [CVE-2024-2907](https://insights.sbomify.com/CVE-2024-2907/): AGCA – Custom Dashboard & Login Page < 7.2.2 - Admin+ Stored XSS via Image URL (medium 6.8)
- [CVE-2021-24944](https://insights.sbomify.com/CVE-2021-24944/): Custom Dashboard & Login Page < 7.0 - Admin+ Stored Cross-Site Scripting (medium 4.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-36823 and fix it if it is affected.

What it is: CVE-2021-36823 is a medium-severity cross-site scripting vulnerability in Cusmin AGCA - Absolutely Glamorous Custom Admin (WordPress plugin), published on 23 Sep 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-36823 in the wild and no public exploit code.

Affected product: Cusmin AGCA - Absolutely Glamorous Custom Admin (WordPress plugin). 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-2021-36823/ (Markdown: https://insights.sbomify.com/CVE-2021-36823/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-36823
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-36823
- OSV: https://osv.dev/vulnerability/CVE-2021-36823

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From sbomify Insights: https://insights.sbomify.com/CVE-2021-36823/
Summaries are generated and may contain mistakes; the official description above is the record.