CVE-2024-21658: medium-severity vulnerability in discourse-calendar
Insufficient control of region value length in discourse-calendar
Published
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.3epss 0.4%
discourse-calendar is a discourse plugin which adds the ability to create a dynamic calendar in the first post of a topic. The limit on region value length is too generous. This allows a malicious actor to cause a Discourse instance to use excessive bandwidth and disk space. This issue has been patched in main the main branch. There are no workarounds for this vulnerability. Please upgrade as soon as possible.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Affected products
discourse · discourse-calendarRelated CVEs — discourse-calendar
In the same product, most dangerous first.
CVE-2022-31059MEDIUMDiscourse Calendar Event names susceptible to Cross-site ScriptingEPSS 0.8%CVE-2023-43658HIGHImproper escaping of user input in discourse-calendarEPSS 0.6%CVE-2022-41913MEDIUMDiscourse-calendar exposes members of hidden groupsEPSS 0.4%CVE-2024-24817MEDIUMUser can see invitees in events created in PMs and private categoriesEPSS 0.4%CVE-2024-26145MEDIUMUninvited user is able to join and mark the attendance of the the private eventEPSS 0.4%CVE-2024-45303MEDIUMDiscourse Calendar plugin event names susceptible to XSSEPSS 0.3%