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CVE-2023-30591

51
FAUCET Score

CVE-2023-30591 is a denial-of-service vulnerability affecting NodeBB versions up to and including v2.8.10. Unauthenticated attackers can crash the application by sending crafted Socket.IO messages that cause errors when processing event names. This vulnerability has a CVSS score of 7.5 (HIGH), indicating it can be exploited remotely with low complexity, resulting in high availability impact. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.8.10CPE matchmatch criteria
cpe:2.3:a:nodebb:nodebb:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
53.80%
Probability of exploitation in next 30 days
EPSS Percentile
98.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.5380 is in the 98th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / NodeBB/NodeBB/commit/37b48b82a4bc7680c6e4c42647209010cb239c2c
Patch
github.com / NodeBB/NodeBB/commit/4d2d76897a02e7068ab74c81d17a2febfae8bfb9
Patch
github.com / NodeBB/NodeBB/commit/830f142b7aea2e597294a84d52c05aab3a3539ca
Patch
starlabs.sg / advisories/23/23-30591
Third Party Advisory