{"id":"CVE-2018-25338","aliases":["EUVD-2018-21859","GHSA-67j6-rmc9-jfxj"],"status":"published","title":"Zechat 1.5 SQL Injection via hashtag parameter","description":"Zechat 1.5 contains a SQL injection vulnerability in the hashtag parameter that allows unauthenticated attackers to extract database information using union-based techniques. Attackers can exploit the hashtag parameter with union-based payloads to retrieve table and column names.","severity":{"version":"4.0","score":8.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00267,"percentile":0.18951,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-89"],"published":"2026-05-17T12:11:41Z","modified":"2026-06-17T01:55:15Z","products":[{"vendor":"bylancer","product":"zechat"}],"references":[{"url":"https://www.exploit-db.com/exploits/44685","tags":["exploit"]},{"url":"https://bylancer.com","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/zechat-sql-injection-via-hashtag-parameter","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-25338"},{"url":"https://github.com/advisories/GHSA-67j6-rmc9-jfxj"}],"sources":{"cve":[{"id":"CVE-2018-25338","title":"Zechat 1.5 SQL Injection via hashtag parameter","description":"Zechat 1.5 contains a SQL injection vulnerability in the hashtag parameter that allows unauthenticated attackers to extract database information using union-based techniques. Attackers can exploit the hashtag parameter with union-based payloads to retrieve table and column names.","status":"published","published":"2026-05-17T12:11:41.616Z","modified":"2026-05-18T17:53:20.839Z","cvss":[{"version":"4.0","score":8.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-89"],"updated_at":"2026-11-02T14:35:02.289647Z"}],"euvd":[{"id":"EUVD-2018-21859","description":"Zechat 1.5 contains a SQL injection vulnerability in the hashtag parameter that allows unauthenticated attackers to extract database information using union-based techniques. Attackers can exploit the hashtag parameter with union-based payloads to retrieve table and column names.","status":"published","published":"2026-05-17T12:11:41Z","modified":"2026-05-18T17:53:20Z","cvss":[{"version":"4.0","score":8.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:21:16.184545Z"}],"ghsa":[{"id":"GHSA-67j6-rmc9-jfxj","title":"Zechat 1.5 contains a SQL injection vulnerability in the hashtag parameter that allows...","description":"Zechat 1.5 contains a SQL injection vulnerability in the hashtag parameter that allows unauthenticated attackers to extract database information using union-based techniques. Attackers can exploit the hashtag parameter with union-based payloads to retrieve table and column names.","status":"published","published":"2026-05-17T15:31:42Z","modified":"2026-05-17T15:31:48Z","cvss":[{"version":"4.0","score":8.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high"}],"cwes":["CWE-89"],"updated_at":"2026-11-02T15:08:11.468783Z"}],"nvd":[{"id":"CVE-2018-25338","description":"Zechat 1.5 contains a SQL injection vulnerability in the hashtag parameter that allows unauthenticated attackers to extract database information using union-based techniques. Attackers can exploit the hashtag parameter with union-based payloads to retrieve table and column names.","status":"published","published":"2026-05-17T13:16:45.59Z","modified":"2026-06-17T01:55:15.643Z","cvss":[{"version":"4.0","score":8.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-89"],"updated_at":"2026-11-02T14:05:01.494136Z"}]}}