CVE-2023-49183 WordPress NextScripts Plugin <= 4.4.2 is vulnerable to Cross Site Scripting (XSS)

What is CVE-2023-49183?

CVE-2023-49183 is a high-severity cross-site scripting vulnerability in NextScripts: Social Networks Auto-Poster, published on 15 Dec 2023. 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 NextScripts NextScripts: Social Networks Auto-Poster allows Reflected XSS.This issue affects NextScripts: Social Networks Auto-Poster: from n/a through 4.4.2.

Weakness: CWE-79

Which versions are affected by CVE-2023-49183?

It affects 1 product.

Products include Nextscripts Social Networks Auto Poster.

How do I fix CVE-2023-49183?

No fix has been published for CVE-2023-49183 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2023-49183 being exploited?

There is no known exploitation of CVE-2023-49183 in the wild and no public exploit code.

Other vulnerabilities in NextScripts: Social Networks Auto-Poster

• CVE-2024-2088 NextScripts: Social Networks Auto-Poster <= 4.4.3 - Authenticated(Subscriber+) Sensitive Information Exposure High 8.5
• CVE-2024-37275 WordPress NextScripts plugin <= 4.4.7 - Cross Site Scripting (XSS) vulnerability High 7.1
• CVE-2021-25072 NextScripts: Social Networks Auto-Poster < 4.3.25 - Arbitrary Post Deletion via CSRF Medium 6.5
• CVE-2024-1762 NextScripts: Social Networks Auto-Poster <= 4.4.3 - Unauthenticated Stored Cross-Site Scripting via User Agent Medium 6.1
• CVE-2021-24975 NextScripts: Social Networks Auto-Poster < 4.3.24 - Unauthenticated Stored XSS Medium 6.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-r6g3-72r2-jmrh.