What is the CVSS score of CVE-2023-45771?

CVE-2023-45771 has a CVSS 3.1 base score of 7.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L. EPSS exploitation probability: 0.1%.

Which versions of Captcha are affected by CVE-2023-45771?

CVE-2023-45771 presents moderate security risk, a cross-site scripting vulnerability rated CVSS 7.1.

How to fix or mitigate CVE-2023-45771?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. Verify anti-CSRF tokens and content security policies are enforced.

Captcha CVE-2023-45771

HIGH

Cross-site Scripting (XSS) (CWE-79)

2024-03-26 audit@patchstack.com

XSS Captcha Bestwebsoft

7.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.1 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 27, 2026 - 21:07 vuln.today

CVE Published

Mar 26, 2024 - 09:15 nvd

HIGH 7.1

DescriptionCVE.org

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Contact Form With Captcha allows Reflected XSS.This issue affects Contact Form With Captcha: from n/a through 1.6.8.

AnalysisAI

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Contact Form With Captcha allows Reflected XSS.6.8. Rated high severity (CVSS 7.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Contact Form With Captcha allows Reflected XSS.6.8. Affected products include: Bestwebsoft Captcha. Version information: through 1.6.8..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.