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CVE-2023-30611

19
FAUCET Score

CVE-2023-30611 is a data leakage vulnerability in the Discourse-reactions plugin, affecting Discourse messaging platforms. It allows unauthorized disclosure of reaction data on private topics. Rated Medium severity (CVSS 5.3), this vulnerability has a low attack complexity and does not require user interaction, leading to a potential loss of confidentiality. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
0.2CPE matchmatch criteria
cpe:2.3:a:discourse:reactions:0.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.43%
Probability of exploitation in next 30 days
EPSS Percentile
34.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0043 is in the 22nd percentile among its peer group of 23,701 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 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 / discourse/discourse-reactions/commit/01aca15b2774c088f3673118e92e9469f37d2fb6
Patch
github.com / discourse/discourse-reactions/security/advisories/GHSA-4cgc-c7vh-94g6
Vendor Advisory