{"cve":"CVE-2023-26046","nvd":{"published":"2023-03-02T01:15:11.840","modified":"2026-06-17T05:42:32.453","status":"Modified","description":"teler-waf is a Go HTTP middleware that provides teler IDS functionality to protect against web-based attacks. In teler-waf prior to version 0.1.1 is vulnerable to bypassing common web attack rules when a specific HTML entities payload is used. This vulnerability allows an attacker to execute arbitrary JavaScript code on the victim's browser and compromise the security of the web application. The vulnerability exists due to teler-waf failure to properly sanitize and filter HTML entities in user input. An attacker can exploit this vulnerability to bypass common web attack threat rules in teler-waf and launch cross-site scripting (XSS) attacks. The attacker can execute arbitrary JavaScript code on the victim's browser and steal sensitive information, such as login credentials and session tokens, or take control of the victim's browser and perform malicious actions. This issue has been fixed in version 0.1.1.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79","CWE-80"],"references":["https://github.com/kitabisa/teler-waf/commit/d1d49cfddfa3ec2adad962870f14b85cd1aaf739","https://github.com/kitabisa/teler-waf/releases/tag/v0.1.1","https://github.com/kitabisa/teler-waf/security/advisories/GHSA-9f95-hhg4-pg4f","https://github.com/kitabisa/teler-waf/commit/d1d49cfddfa3ec2adad962870f14b85cd1aaf739","https://github.com/kitabisa/teler-waf/releases/tag/v0.1.1"],"products":["kitabisa:teler-waf"],"source":"nvd","synced_at":"2026-10-19T21:37:41.955480748+00:00"},"epss":{"cve":"CVE-2023-26046","score":0.00536,"percentile":0.45234,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-9f95-hhg4-pg4f","url":"https://osv.dev/vulnerability/GHSA-9f95-hhg4-pg4f","summary":"teler-waf subject to Bypass of Common Web Attack Threat Rule with HTML Entities Payload","modified":"2024-05-20T21:48:03Z","packages":[{"ecosystem":"Go","name":"github.com/kitabisa/teler-waf","purl":"pkg:golang/github.com/kitabisa/teler-waf","ranges":["<0.1.1"],"fixed":["0.1.1"]}]},{"id":"GO-2023-1597","url":"https://osv.dev/vulnerability/GO-2023-1597","summary":"Cross site scripting in github.com/kitabisa/teler-waf","modified":"2024-05-20T16:03:47Z","packages":[{"ecosystem":"Go","name":"github.com/kitabisa/teler-waf","purl":"pkg:golang/github.com/kitabisa/teler-waf","ranges":["<0.1.1"],"fixed":["0.1.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}