CVE-2021-39175: high-severity vulnerability in hedgedoc
XSS vector in slide mode speaker-view
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.1epss 0.6%
HedgeDoc is a platform to write and share markdown. In versions prior to 1.9.0, an unauthenticated attacker can inject arbitrary JavaScript into the speaker-notes of the slide-mode feature by embedding an iframe hosting the malicious code into the slides or by embedding the HedgeDoc instance into another page. The problem is patched in version 1.9.0. There are no known workarounds aside from upgrading.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Affected products
hedgedoc · hedgedocRelated CVEs — hedgedoc
In the same product, most dangerous first.
CVE-2021-29474MEDIUMRelative Path Traversal Attack on note creationEPSS 1.6%CVE-2020-26287HIGHStored XSS in mermaid diagramsEPSS 1.5%CVE-2020-26286HIGHArbitary file uploadEPSS 1.4%CVE-2021-21259HIGHStored XSS in slide modeEPSS 1.4%CVE-2021-29475CRITICALPDF export allows arbitrary file readsEPSS 1.2%CVE-2022-24837MEDIUMEnumerable upload file names in hedgedocEPSS 1.1%