{"id":"CVE-2018-25339","aliases":["EUVD-2018-21858","GHSA-54vr-4j7c-rcvj"],"status":"published","title":"Zechat 1.5 SQL Injection via v parameter (time-based blind)","description":"Zechat 1.5 contains a SQL injection vulnerability in the v parameter that allows unauthenticated attackers to extract database information using time-based blind techniques. Attackers can exploit the v parameter with sleep-based blind injection to confirm vulnerability and extract data.","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":0.18952,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-89"],"published":"2026-05-17T12:11:42Z","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-v-parameter-time-based-blind","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-25339"},{"url":"https://github.com/advisories/GHSA-54vr-4j7c-rcvj"}],"sources":{"cve":[{"id":"CVE-2018-25339","title":"Zechat 1.5 SQL Injection via v parameter (time-based blind)","description":"Zechat 1.5 contains a SQL injection vulnerability in the v parameter that allows unauthenticated attackers to extract database information using time-based blind techniques. Attackers can exploit the v parameter with sleep-based blind injection to confirm vulnerability and extract data.","status":"published","published":"2026-05-17T12:11:42.681Z","modified":"2026-05-18T17:52:21.14Z","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":"2026-11-02T14:35:01.952568Z"}],"euvd":[{"id":"EUVD-2018-21858","description":"Zechat 1.5 contains a SQL injection vulnerability in the v parameter that allows unauthenticated attackers to extract database information using time-based blind techniques. Attackers can exploit the v parameter with sleep-based blind injection to confirm vulnerability and extract data.","status":"published","published":"2026-05-17T12:11:42Z","modified":"2026-05-18T17:52:21Z","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-54vr-4j7c-rcvj","title":"Zechat 1.5 contains a SQL injection vulnerability in the v parameter that allows unauthenticated...","description":"Zechat 1.5 contains a SQL injection vulnerability in the v parameter that allows unauthenticated attackers to extract database information using time-based blind techniques. Attackers can exploit the v parameter with sleep-based blind injection to confirm vulnerability and extract data.","status":"published","published":"2026-05-17T15:31:42Z","modified":"2026-05-17T15:31:48Z","cvss":[{"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"},{"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"}],"cwes":["CWE-89"],"updated_at":"2026-11-02T15:08:11.468783Z"}],"nvd":[{"id":"CVE-2018-25339","description":"Zechat 1.5 contains a SQL injection vulnerability in the v parameter that allows unauthenticated attackers to extract database information using time-based blind techniques. Attackers can exploit the v parameter with sleep-based blind injection to confirm vulnerability and extract data.","status":"published","published":"2026-05-17T13:16:45.71Z","modified":"2026-06-17T01:55:15.76Z","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"}]}}