CVE-2024-45303

Published: Sep 12, 2024Modified: Jun 17, 2026

6.1

Vector

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

Exploitability: 2.8 / Impact: 2.7

Source: NVD

Description

Discourse Calendar plugin adds the ability to create a dynamic calendar in the first post of a topic to Discourse. Rendering event names can be susceptible to XSS attacks. This vulnerability only affects sites which have modified or disabled Discourse’s default Content Security Policy. The issue is patched in version 0.5 of the Discourse Calendar plugin.

Affected (1)

Products: Discourse: Calendar

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Discourse Calendar	Before 0.5

Related CWEs

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (2)

https://github.com/discourse/discourse-calendar/commit/81e1c8e3c4c02276fb890da7e3f684259aeb685c

Source: security-advisories@github.com

Patch

https://github.com/discourse/discourse-calendar/security/advisories/GHSA-rq37-8pf3-4xc8

Source: security-advisories@github.com

Vendor Advisory

Timeline

No history available yet.