CVE-2024-27993

HIGH

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

2024-03-21 audit@patchstack.com

XSS

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

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

CVSS changed

Apr 23, 2026 - 15:22 NVD

7.1 (HIGH)

CVE Published

Mar 21, 2024 - 15:16 nvd

N/A

CVE Published

Mar 21, 2024 - 15:16 cve.org

HIGH 7.1

DescriptionCVE.org

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in typps Calendarista Basic Edition calendarista-basic-edition.This issue affects Calendarista Basic Edition: from n/a through <= 3.0.2.

AnalysisAI

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in typps Calendarista Basic Edition calendarista-basic-edition.0.2. 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 typps Calendarista Basic Edition calendarista-basic-edition.0.2.

Affected ProductsAI

See vendor advisory for affected versions.

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.