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bdu:2021-02925

cnvd-2021-37207

EUVD-2026-26512

fkie_cve-2021-29625

Adminer is open-source database management software. A cross-site scripting vulnerability in Adminer versions 4.6.1 to 4.8.0 affects users of MySQL, MariaDB, PgSQL and SQLite. XSS is in most cases prevented by strict CSP in all modern browsers. The only exception is when Adminer is using a `pdo_` extension to communicate with the database (it is used if the native extensions are not enabled). In browsers without CSP, Adminer versions 4.6.1 to 4.8.0 are affected. The 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`).

GHSA-2v82-5746-vwqc — XSS in doc_link

Affected: Packagist: vrana/adminer

### Impact Users of MySQL, MariaDB, PgSQL and SQLite are affected. XSS is in most cases prevented by strict CSP in all modern browsers. The only exception is when Adminer is using a `pdo_` extension to communicate with the database (it is used if the native extensions are not enabled). In browsers without CSP, Adminer versions 4.6.1 to 4.8.0 are affected.

### Patches Patched by 4043092, included in version [4.8.1](https://github.com/vrana/adminer/releases/tag/v4.8.1).

### Workarounds Do both: * Use browser supporting strict CSP. * Enable the native PHP extensions (e.g. `mysqli`) or disable displaying PHP errors (`display_errors`).

### References https://sourceforge.net/p/adminer/bugs-and-features/797/

### For more information If you have any questions or comments about this advisory: * Comment at 4043092.

gsd-2021-29625

UBUNTU-CVE-2021-29625

Affected: Ubuntu:Pro:18.04:LTS: adminer, Ubuntu:Pro:20.04:LTS: adminer