CVE-2023-33312 HIGH

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

Vendor Wppal

Product Easy Captcha

Weakness CWE-79 · XSS

Published July 18, 2023

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

7.1/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

What the vulnerability does

01Description

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

Explanation of Vulnerability in Simple Terms

02Summary

Easy Captcha versions up to 1.0 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages. An attacker can craft a malicious link that, when visited by a site user, executes arbitrary JavaScript in the victim's browser. This can lead to session hijacking, credential theft, or defacement. The vulnerability requires user interaction and affects the integrity and confidentiality of site data.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that runs in visitors' browsers, potentially stealing session cookies or credentials.

Potential impact on your site

04Site Impact

Visitors to your site could have their sessions hijacked or credentials stolen if they click a malicious link.

Conditions required to exploit

05Prerequisites

Attacker crafts a malicious link; victim must visit it. No authentication required.

Key dates

06Disclosure timeline

July 18, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-33312 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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