Quizlord Plugin up to 2.0 on WordPress wp-admin/admin.php Title Stored cross site scripting

Summaryinfo

A vulnerability was found in Quizlord Plugin up to 2.0 on WordPress. It has been rated as problematic. The impacted element is an unknown function of the file wp-admin/admin.php. Performing a manipulation of the argument Title as part of Parameter results in cross site scripting (Stored). This vulnerability is identified as CVE-2018-17140. The attack can be initiated remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Quizlord Plugin up to 2.0 on WordPress (WordPress Plugin). This affects an unknown function of the file wp-admin/admin.php. The manipulation of the argument title as part of a Parameter leads to a cross site scripting vulnerability (Stored). CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

The Quizlord plugin through 2.0 for WordPress is prone to Stored XSS via the title parameter in a ql_insert action to wp-admin/admin.php.

The bug was discovered 08/29/2018. The weakness was released 09/17/2018 as EDB-ID 45307 as not defined exploit (Exploit-DB). It is possible to read the advisory at exploit-db.com. This vulnerability is uniquely identified as CVE-2018-17140 since 09/17/2018. It is possible to initiate the attack remotely. The successful exploitation requires a authentication. It demands that the victim is doing some kind of user interaction. Technical details and a public exploit are known. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

After immediately, there has been an exploit disclosed. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 19 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:wp-admin/admin.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (45307). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• WordPress Plugin

Name

• Quizlord Plugin

Version

• 2.0

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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