CVE-2021-29625

Name: CVE-2021-29625
Creator: NVD / NIST
Published: 2021-05-19T22:15:07.903+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 9.57%

Last modified Jun 17, 2026

CVE-2021-29625 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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. EPSS estimates a 9.57% chance of exploitation in the next 30 days.

Description

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`).

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

9.57%

94.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Adminer	Adminer	>= 4.6.1, < 4.8.1

References

https://github.com/vrana/adminer/commit/4043092ec2c0de2258d60a99d0c5958637d051a7Patch, Third Party Advisory
https://github.com/vrana/adminer/security/advisories/GHSA-2v82-5746-vwqcPatch, Third Party Advisory
https://sourceforge.net/p/adminer/bugs-and-features/797/Exploit, Product, Third Party Advisory
https://github.com/vrana/adminer/commit/4043092ec2c0de2258d60a99d0c5958637d051a7Patch, Third Party Advisory
https://github.com/vrana/adminer/security/advisories/GHSA-2v82-5746-vwqcPatch, Third Party Advisory
https://sourceforge.net/p/adminer/bugs-and-features/797/Exploit, Product, Third Party Advisory

Timeline

Published: May 19, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-29625?

How severe is CVE-2021-29625?

CVE-2021-29625 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 9.57% probability of exploitation in the next 30 days.

How do I fix CVE-2021-29625?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-29625?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST