#VU26290 Stored cross-site scripting in phpMyAdmin - CVE-2020-10803

Vulnerability identifier: #VU26290

Vulnerability risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-10803

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
phpMyAdmin
Web applications / Remote management & hosting panels

Vendor: phpMyAdmin

Description

The disclosed vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of table names. A remote user can create a specially crafted tablename, trick the victim to retrieve data from the malicious table and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

phpMyAdmin: 3.3.4.0, 3.4.0 - 3.4.11.1, 3.5.0 - 3.5.8.2, 4.0.0 - 4.0.10.20, 4.1.0 - 4.1.14.8, 4.2.0 - 4.2.13.3, 4.3.0 - 4.3.13.3, 4.4.0 - 4.4.15.10, 4.5.0 - 4.5.5.1, 4.6.0 - 4.6.6, 4.7.0 beta1 - 4.7.9, 4.8.0 - 4.8.5, 4.9.0 - 4.9.4, 5.0.0 - 5.0.1

---

External links
https://www.phpmyadmin.net/security/PMASA-2020-4/

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.