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Fencer Vulns
high 7.3

CVE-2024-53268 json

Lack of validation on openExternal allows 1 click remote code execution in joplin

published 2024-11-25 23 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-50521

cvss
7.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

Joplin is an open source, privacy-focused note taking app with sync capabilities for Windows, macOS, Linux, Android and iOS. In affected versions attackers are able to abuse the fact that openExternal is used without any filtering of URI schemes to obtain remote code execution in Windows environments. This issue has been addressed in version 3.0.3 and all users are advised to upgrade. There are no known workarounds for this vulnerability.

Patch / fix

  • laurent_22 joplin 3.0.3

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
23 mo ago

Exploit prediction

0.77% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/laurent22/joplin/security/advisories/GHSA-pc5v-xp44-5mgv referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 7.3 CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • laurent22 joplin
  • laurent_22 joplin

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

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.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.