Vulnerability Details CVE-2021-39175
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 57.8%
CVSS Severity
CVSS v3 Score 8.1
CVSS v2 Score 4.3
References
- https://github.com/hedgedoc/hedgedoc/pull/1369
- https://github.com/hedgedoc/hedgedoc/pull/1375
- https://github.com/hedgedoc/hedgedoc/pull/1513
- https://github.com/hedgedoc/hedgedoc/security/advisories/GHSA-j748-779h-9697
- https://github.com/hedgedoc/hedgedoc/pull/1369
- https://github.com/hedgedoc/hedgedoc/pull/1375
- https://github.com/hedgedoc/hedgedoc/pull/1513
- https://github.com/hedgedoc/hedgedoc/security/advisories/GHSA-j748-779h-9697
Products affected by CVE-2021-39175
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cpe:2.3:a:hedgedoc:hedgedoc:-
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cpe:2.3:a:hedgedoc:hedgedoc:0.3.3
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cpe:2.3:a:hedgedoc:hedgedoc:0.3.4
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cpe:2.3:a:hedgedoc:hedgedoc:0.4.0
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cpe:2.3:a:hedgedoc:hedgedoc:0.4.1
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cpe:2.3:a:hedgedoc:hedgedoc:0.4.2
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cpe:2.3:a:hedgedoc:hedgedoc:0.4.3
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cpe:2.3:a:hedgedoc:hedgedoc:0.4.4
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cpe:2.3:a:hedgedoc:hedgedoc:0.4.5
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cpe:2.3:a:hedgedoc:hedgedoc:0.4.6
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cpe:2.3:a:hedgedoc:hedgedoc:0.5.0
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cpe:2.3:a:hedgedoc:hedgedoc:0.5.1
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cpe:2.3:a:hedgedoc:hedgedoc:1.2.0
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cpe:2.3:a:hedgedoc:hedgedoc:1.2.1
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cpe:2.3:a:hedgedoc:hedgedoc:1.3.0
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cpe:2.3:a:hedgedoc:hedgedoc:1.3.1
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cpe:2.3:a:hedgedoc:hedgedoc:1.3.2
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cpe:2.3:a:hedgedoc:hedgedoc:1.4.0
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cpe:2.3:a:hedgedoc:hedgedoc:1.5.0
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cpe:2.3:a:hedgedoc:hedgedoc:1.6.0
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cpe:2.3:a:hedgedoc:hedgedoc:1.7.0
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cpe:2.3:a:hedgedoc:hedgedoc:1.7.1
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cpe:2.3:a:hedgedoc:hedgedoc:1.7.2
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cpe:2.3:a:hedgedoc:hedgedoc:1.8.0
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cpe:2.3:a:hedgedoc:hedgedoc:1.8.1
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cpe:2.3:a:hedgedoc:hedgedoc:1.8.2