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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-43643

20
FAUCET Score

CVE-2023-43643 is a medium-severity mutation Cross-Site Scripting (mXSS) vulnerability affecting AntiSamy versions prior to 1.7.4, a library used for HTML sanitization. This flaw arises from incorrect HTML parsing when the preserveComments directive is enabled alongside specific allowed tags, allowing malicious input within comment tags to be executed. The vulnerability has a CVSS score of 6.1, indicating a network-based attack with low complexity, requiring user interaction, and potentially leading to limited impact on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.7.4CPE matchmatch criteria
cpe:2.3:a:antisamy_project:antisamy:*:*:*:*:*:*:*:*

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
0.47%
Probability of exploitation in next 30 days
EPSS Percentile
38.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0047 is in the 40th percentile among its peer group of 26,219 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)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: org.owasp.antisamy:antisamyFixed in: 1.7.4

Vendor Advisories (1)

mavenGHSA-pcf2-gh6g-h5r2medium

mXSS in AntiSamy

Oct 9, 2023

References

github.com / nahsra/antisamy/releases/tag/v1.7.4
Patch
github.com / nahsra/antisamy/security/advisories/GHSA-pcf2-gh6g-h5r2
ExploitMitigationProductVendor Advisory