Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2022-46148

20
FAUCET Score

CVE-2022-46148 describes a self-XSS vulnerability in Discourse versions 2.8.10 and prior (stable branch) and 2.9.0.beta11 and prior (beta/tests-passed branches). Malicious messages could trigger a full XSS on sites with modified or disabled Content Security Policy when a user navigates to their drafts page. The vulnerability has a CVSS score of 5.4 (MEDIUM), indicating a network-based attack with low complexity requiring user interaction and low privileges, potentially impacting confidentiality and integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, suggesting low current exploitation risk.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.8.10CPE matchmatch criteria
cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*
2.9.0CPE matchmatch criteria
cpe:2.3:a:discourse:discourse:2.9.0:beta1:*:*:*:*:*:*
2.9.0CPE matchmatch criteria
cpe:2.3:a:discourse:discourse:2.9.0:beta10:*:*:*:*:*:*
2.9.0CPE matchmatch criteria
cpe:2.3:a:discourse:discourse:2.9.0:beta11:*:*:*:*:*:*
2.9.0CPE matchmatch criteria
cpe:2.3:a:discourse:discourse:2.9.0:beta2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.1HIGH

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.45%
Probability of exploitation in next 30 days
EPSS Percentile
37.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0045 is in the 55th percentile among its peer group of 15,239 CVEs.

Social Chatter

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

Remediation records are not available for this CVE.

References

github.com / discourse/discourse/security/advisories/GHSA-c5h6-6gg5-84fh
Third Party Advisory