Quiz And Survey Master < 7.1.12 - Authenticated SQL injection via shortcode
CVE-2021-24221

8.8HIGH

Key Information:

Vendor

Wordpress
Status
Quiz And Survey Master – Best Quiz, Exam And Survey Plugin For WordPress
Vendor
CVE Published:
12 April 2021

What is CVE-2021-24221?

The Quiz And Survey Master – Best Quiz, Exam and Survey Plugin for WordPress plugin before 7.1.12 did not sanitise the result_id GET parameter on pages with the [qsm_result] shortcode without id attribute, concatenating it in a SQL statement and leading to an SQL injection. The lowest role allowed to use this shortcode in post or pages being author, such user could gain unauthorised access to the DBMS. If the shortcode (without the id attribute) is embed on a public page or post, then unauthenticated users could exploit the injection.

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Affected Version(s)

Quiz And Survey Master – Best Quiz, Exam and Survey Plugin for WordPress 7.1.12

References

https://wpscan.com/vulnerability/3b52b25c-82a1-41c7-83ac-...
x_refsource_CONFIRM
https://plugins.trac.wordpress.org/changeset/2479603/
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Nguyen Van Khanh - SunCSR (Sun* Cyber Security Research)
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