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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-24399

23
FAUCET Score

CVE-2026-24399 describes a client-side injection vulnerability in ChatterMate, a no-code AI chatbot framework, affecting versions 1.0.8 and below. Malicious HTML/JavaScript payloads, specifically iframes with javascript: URIs, can be executed when supplied as chat input. This medium-severity vulnerability (CVSS 5.4) allows attackers to access sensitive client-side data like localStorage tokens and cookies. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion, with 6 mentions across platforms. Organizations using affected ChatterMate versions should upgrade to 1.0.9 immediately to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.9CPE matchmatch criteria
cpe:2.3:a:chattermate:chattermate:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.3CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
5.8
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.30%
Probability of exploitation in next 30 days
EPSS Percentile
22.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0030 is in the 32nd percentile among its peer group of 15,224 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

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / chattermate/chattermate.chat/commit/ff3398031abb97ae28546eaf993fed3619eaffdd
Patch
github.com / chattermate/chattermate.chat/releases/tag/v1.0.9
ProductRelease Notes
github.com / chattermate/chattermate.chat/security/advisories/GHSA-72p3-w95w-q3j4
ExploitVendor Advisory