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CVE-2023-26046

21
FAUCET Score

CVE-2023-26046 describes a cross-site scripting (XSS) vulnerability in teler-waf, a Go HTTP middleware for web attack protection, affecting versions prior to 0.1.1. An attacker can bypass common web attack rules by using specific HTML entities in user input, allowing arbitrary JavaScript execution in the victim's browser. This medium-severity vulnerability (CVSS 6.1) has a network attack vector and low attack complexity, potentially leading to sensitive information theft or browser control. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.1.1CPE matchmatch criteria
cpe:2.3:a:kitabisa:teler-waf:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.54%
Probability of exploitation in next 30 days
EPSS Percentile
42.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0054 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)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/kitabisa/teler-wafFixed in: 0.1.1

Vendor Advisories (1)

goGHSA-9f95-hhg4-pg4fmedium

teler-waf subject to Bypass of Common Web Attack Threat Rule with HTML Entities Payload

Mar 1, 2023

References

github.com / kitabisa/teler-waf/commit/d1d49cfddfa3ec2adad962870f14b85cd1aaf739
Patch
github.com / kitabisa/teler-waf/releases/tag/v0.1.1
Release Notes
github.com / kitabisa/teler-waf/security/advisories/GHSA-9f95-hhg4-pg4f
Vendor Advisory