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Fencer Vulns
medium 6.1

CVE-2018-1000534 json

Joplin Vulnerable to Cross-site Scripting in Note Content

published 2018-06-26 8 y ago modified 2026-06-17 4 mo ago also GHSA-m6mf-hmrh-ph4j , EUVD-2022-4507

cvss
6.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

Joplin version prior to 1.0.90 contains a XSS evolving into code execution due to enabled nodeIntegration for that particular BrowserWindow instance where XSS was identified from vulnerability in Note content field - information on the fix can be found here https://github.com/laurent22/joplin/commit/494e235e18659574f836f84fcf9f4d4fcdcfcf89 that can result in executing unauthorized code within the rights in which the application is running. This attack appear to be exploitable via Victim synchronizing notes from the cloud services or other note-keeping services which contain malicious code. This vulnerability appears to have been fixed in 1.0.90 and later.

Patch / fix

  • npm joplin 1.0.90
  • joplin_project joplin 1.0.90

Exploit prediction

1.50% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/laurent22/joplin/issues/500 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 6.1 CVSS:3.0/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 3.0 6.1 CVSS:3.0/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
<1.0.90
1.0.90

Classification

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

References

Sources

Fencer Vulns 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.