Discourse Calendar Plugin XSS via Dynamic Event Names, fixed in 0.5
CVE-2024-45303 Published on September 12, 2024
Discourse Calendar plugin event names susceptible to XSS
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 Discourses default Content Security Policy. The issue is patched in version 0.5 of the Discourse Calendar plugin.
Vulnerability Analysis
CVE-2024-45303 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is a XSS Vulnerability?
The software 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.
CVE-2024-45303 has been classified to as a XSS vulnerability or weakness.
Products Associated with CVE-2024-45303
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Affected Versions
discourse-calendar Version < 0.5 is affected by CVE-2024-45303Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.