CVE-2023-33312 WordPress Easy Captcha Plugin <= 1.0 is vulnerable to Cross Site Scripting (XSS)

Q: What is CVE-2023-33312?

CVE-2023-33312 is a high-severity cross-site scripting vulnerability in wppal Easy Captcha, published on 18 Jul 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Q: Is CVE-2023-33312 being exploited?

There is no known exploitation of CVE-2023-33312 in the wild and no public exploit code.

Q: How do I fix CVE-2023-33312?

No fix has been published for CVE-2023-33312 yet. Limit exposure of the affected software until one is available.

High 7.1 Published 18 Jul 2023 Updated 28 Apr 2026

Unauthenticated attackers can execute arbitrary scripts in victim browsers via reflected XSS in the Easy Captcha plugin.

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: None listed

What is CVE-2023-33312?

CVE-2023-33312 is a high-severity cross-site scripting vulnerability in wppal Easy Captcha, published on 18 Jul 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

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in wppal Easy Captcha plugin <= 1.0 versions.

Weakness: CWE-79

Which versions are affected by CVE-2023-33312?

It affects 1 product.

Products include Easy Captcha Project Easy Captcha.

How do I fix CVE-2023-33312?

No fix has been published for CVE-2023-33312 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-2023-33312 being exploited?