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CVE-2023-23627

21
FAUCET Score

CVE-2023-23627 is a Cross-site Scripting (XSS) vulnerability affecting Sanitize versions 5.0.0 through 6.0.0. This flaw occurs when Sanitize is configured with a custom allowlist that permits 'noscript' elements, allowing attackers to inject arbitrary HTML. The vulnerability has a CVSS score of 6.1 (Medium), indicating a network-based attack with low complexity, requiring user interaction, and potentially leading to low confidentiality and integrity impacts. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.0.0, < 6.0.1CPE matchmatch criteria
cpe:2.3:a:sanitize_project:sanitize:*:*:*:*:*:ruby:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.53%
Probability of exploitation in next 30 days
EPSS Percentile
41.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0053 is in the 44th percentile among its peer group of 26,221 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 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 (2)

rubygemspatch availablevia ghsa
Product: sanitizeFixed in: 6.0.1
github_advisoryworkaround availablevia nvd_reference
View patch

Vendor Advisories (1)

rubygemsGHSA-fw3g-2h3j-qmm7medium

Improper neutralization of `noscript` element content may allow XSS in Sanitize

Jan 28, 2023

References

github.com / rgrove/sanitize/security/advisories/GHSA-fw3g-2h3j-qmm7
MitigationRelease NotesThird Party Advisory