CVE-2022-45814 MEDIUM

CVE-2022-45814: WordPress WP Calendar Plugin <= 1.5.3 is vulnerable to Cross Site Scripting (XSS)

Vendor Fabian Von Allmen

Product WP Calendar

Weakness CWE-79 · XSS

Published March 17, 2023

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

5.4/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Stored Cross-Site Scripting (XSS) vulnerability in Fabian von Allmen WP Calendar plugin <= 1.5.3 versions.

Explanation of Vulnerability in Simple Terms

02Summary

WP Calendar versions up to 1.5.3 contain a stored cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious scripts that execute in other users' browsers when they view affected pages. The vulnerability requires user interaction and can affect the confidentiality and integrity of site data.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers and steal their session data or perform actions on their behalf.

Potential impact on your site

04Site Impact

Authenticated users can inject scripts affecting other site visitors; admin accounts viewing compromised content are at highest risk.

Conditions required to exploit

05Prerequisites

Attacker needs a low-privilege user account and must trick a victim into viewing a page containing the injected payload.

Key dates

06Disclosure timeline

March 17, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2022-45814 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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