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CVE-2024-45303

Discourse Calendar plugin event names susceptible to XSS

Published: Sep 12, 2024Updated: Sep 18, 2024 Sources: CVE List NVDCWE-79
NVD MITRE
6.1CVSSMEDIUM
EPSS Score
0.2%
Top 85.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

discourse-calendardiscourseWeb & CMS Plugins
calendardiscourseWeb & CMS Plugins
discoursecommercialUSWeb & CMS Pluginsaka discourse.org

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://github.com/discourse/discourse-calendar/security/advisories/GHSA-rq37-8pf3-4xc8
github.com
https://github.com/discourse/discourse-calendar/commit/81e1c8e3c4c02276fb890da7e3f684259aeb685c
github.com

Timeline

Published
Sep 12, 2024
Last Updated
Sep 18, 2024

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