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Fencer Intel
medium 6.1

CVE-2020-15930 json

Cross-site Scripting in Joplin

published 6y ago modified 4mo ago also GHSA-cgc7-mwp4-3ccx , EUVD-2021-1044

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.4%
EPSS 4.4% chance of exploitation in 30 days, percentile 91%
public exploits
1
Exploit-DB

Summary

An XSS issue in Joplin desktop 1.0.190 to 1.0.245 allows arbitrary code execution via a malicious HTML embed tag.

Patch / fix

  • npm joplin 1.1.7

Is CVE-2020-15930 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Timeline

  1. Published
  2. First public exploit (EDB-48837)

Exploit prediction

4.38% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-48837 Joplin 1.0.245 - Arbitrary Code Execution (PoC) webapps, 2020-09-28
  • packetstormsecurity.com http://packetstormsecurity.com/files/159316/Joplin-1.0.245-Cross-Site-Scripting-Code-Execution.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
npm joplin
>=1.0.190, <1.1.7
1.1.7

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.