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CVE-2022-40277

25
FAUCET Score

CVE-2022-40277 is a critical vulnerability in Joplin version 2.8.8 that allows remote code execution on client systems. An attacker can achieve this by crafting a malicious markdown file containing a specially formatted link, which, when opened in Joplin, bypasses schema validation and executes arbitrary commands via the 'shell.openExternal' function. This vulnerability carries a CVSS score of 7.8 (High), indicating a local attack vector with low complexity, requiring user interaction, and potentially leading to high confidentiality, integrity, and availability impacts. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.8.8CPE matchmatch criteria
cpe:2.3:a:joplinapp:joplin:2.8.8:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.50%
Probability of exploitation in next 30 days
EPSS Percentile
39.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0050 is in the 40th percentile among its peer group of 11,616 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

npmGHSA-mjr5-v9c9-mm7ghigh

Joplin Remote Code Execution

Oct 1, 2022

References

fluidattacks.com / advisories/skrillex
ExploitThird Party Advisory
github.com / laurent22/joplin
Product