# CVE-2024-27960: WordPress Email Subscription Popup plugin <= 1.2.20 - Cross Site Scripting (XSS) vulnerability

> Stored XSS in Email Subscription Popup allows attackers to inject scripts, potentially leading to session hijacking or malicious actions.

- **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:** 17 Mar 2024
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-4p64-mr2w-44cv

## What is CVE-2024-27960?

CVE-2024-27960 is a high-severity cross-site scripting vulnerability in Email Subscription Popup, published on 17 Mar 2024. 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

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in I Thirteen Web Solution Email Subscription Popup allows Stored XSS.This issue affects Email Subscription Popup: from n/a through 1.2.20.

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

## Which versions are affected by CVE-2024-27960?

It affects 1 product.


Products: I13websolution Email Subscription Popup.

## How do I fix CVE-2024-27960?

No fix has been published for CVE-2024-27960 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-27960 being exploited?

There is no known exploitation of CVE-2024-27960 in the wild and no public exploit code.

## Other vulnerabilities in Email Subscription Popup

- [CVE-2023-30489](https://insights.sbomify.com/CVE-2023-30489/): WordPress Email Subscription Popup Plugin <= 1.2.16 is vulnerable to Cross Site Scripting (XSS) (high 7.1)
- [CVE-2024-11195](https://insights.sbomify.com/CVE-2024-11195/): Cross-site scripting in Email Subscription Popup (medium 6.4)
- [CVE-2023-6555](https://insights.sbomify.com/CVE-2023-6555/): Email Subscription Popup < 1.2.20 - Reflected XSS (medium 6.1)
- [CVE-2023-6527](https://insights.sbomify.com/CVE-2023-6527/): Email Subscription Popup <= 1.2.18 - Reflected Cross-Site Scripting (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-27960 and fix it if it is affected.

What it is: CVE-2024-27960 is a high-severity cross-site scripting vulnerability in Email Subscription Popup, published on 17 Mar 2024. 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-2024-27960 in the wild and no public exploit code.

Affected product: Email Subscription Popup. 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-2024-27960/ (Markdown: https://insights.sbomify.com/CVE-2024-27960/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-27960
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-27960
- OSV: https://osv.dev/vulnerability/CVE-2024-27960

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From sbomify Insights: https://insights.sbomify.com/CVE-2024-27960/
Summaries are generated and may contain mistakes; the official description above is the record.