# CVE-2021-24746: Sassy Social Share < 3.3.40 - Reflected Cross-Site Scripting

> Attackers can execute arbitrary JavaScript in victim browsers via reflected XSS in the Sassy Social Share WordPress plugin.

- **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:** 28 Mar 2022
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-rqh2-pcw6-q628

## What is CVE-2021-24746?

CVE-2021-24746 is a medium-severity cross-site scripting vulnerability in Unknown Social Sharing Plugin – Sassy Social Share, published on 28 Mar 2022. 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 Social Sharing Plugin WordPress plugin before 3.3.40 does not escape the viewed post URL before outputting it back in onclick attributes when the "Enable 'More' icon" option is enabled (which is the default setting), leading to a Reflected Cross-Site Scripting issue.

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

## Which versions are affected by CVE-2021-24746?

It affects 1 product.


Products: Heateor Sassy Social Share.

## How do I fix CVE-2021-24746?

No fix has been published for CVE-2021-24746 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-24746 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-24746 exists.

Public exploit code:

- WordPress Sassy Social Share Plugin <3.3.40 - Cross-Site Scripting (nuclei): http/cves/2021/CVE-2021-24746.yaml

## Other vulnerabilities in Unknown Social Sharing Plugin – Sassy Social Share

- [CVE-2021-39321](https://insights.sbomify.com/CVE-2021-39321/): Sassy Social Share 3.3.23 PHP Object Injection (high 8.8)
- [CVE-2024-1989](https://insights.sbomify.com/CVE-2024-1989/): Cross-site scripting in Social Sharing Plugin – Sassy Social Share (medium 6.4)
- [CVE-2024-1448](https://insights.sbomify.com/CVE-2024-1448/): Sassy Social Share <= 3.3.56 - Authenticated (Contributor+) Stored Cross-Site Scripting (medium 6.4)
- [CVE-2025-5528](https://insights.sbomify.com/CVE-2025-5528/): Cross-site scripting in Social Sharing Plugin – Sassy Social Share (medium 6.1)
- [CVE-2024-11252](https://insights.sbomify.com/CVE-2024-11252/): Cross-site scripting in Social Sharing Plugin – Sassy Social Share (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-24746 and fix it if it is affected.

What it is: CVE-2021-24746 is a medium-severity cross-site scripting vulnerability in Unknown Social Sharing Plugin – Sassy Social Share, published on 28 Mar 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-24746 exists.

Affected product: Unknown Social Sharing Plugin – Sassy Social Share. 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-2021-24746/ (Markdown: https://insights.sbomify.com/CVE-2021-24746/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-24746
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-24746
- OSV: https://osv.dev/vulnerability/CVE-2021-24746

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-24746/
Summaries are generated and may contain mistakes; the official description above is the record.