dwbooster Booking Calendar Contact Form up to 1.0.23 admin-ajax.php cross site scripting

Summaryinfo

A vulnerability was found in dwbooster Booking Calendar Contact Form up to 1.0.23. It has been declared as problematic. Affected is an unknown function of the file admin-ajax.php. The manipulation results in cross site scripting. This vulnerability was named CVE-2016-20070. The attack may be performed from remote. In addition, an exploit is available.

Detailsinfo

A vulnerability classified as problematic has been found in dwbooster Booking Calendar Contact Form up to 1.0.23. Affected is some unknown processing of the file admin-ajax.php. The manipulation with an unknown input leads to a cross site scripting vulnerability. 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. CVE summarizes:

WordPress Booking Calendar Contact Form 1.0.23 contains privilege escalation and stored cross-site scripting vulnerabilities that allow authenticated users to modify plugin options and inject malicious scripts by failing to verify user privileges and sanitize input parameters. Attackers with subscriber-level accounts can inject XSS payloads through parameters like price, name, calendar_language, and email_confirmation_to_user via admin-ajax.php and admin.php endpoints to execute arbitrary JavaScript in administrator browsers.

The weakness was presented by Joaquin Ramirez Martinez as 39423. The advisory is shared for download at exploit-db.com. This vulnerability is traded as CVE-2016-20070 since 06/14/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. Successful exploitation requires user interaction by the victim. Technical details and a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1059.007.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. By approaching the search of inurl:admin-ajax.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 (39423). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Calendar Software

Vendor

• dwbooster

Name

• Booking Calendar Contact Form

Version

• 1.0.0
• 1.0.1
• 1.0.2
• 1.0.3
• 1.0.4
• 1.0.5
• 1.0.6
• 1.0.7
• 1.0.8
• 1.0.9
• 1.0.10
• 1.0.11
• 1.0.12
• 1.0.13
• 1.0.14
• 1.0.15
• 1.0.16
• 1.0.17
• 1.0.18
• 1.0.19
• 1.0.20
• 1.0.21
• 1.0.22
• 1.0.23

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

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• 🔒
• 🔒

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Once again VulDB remains the best source for vulnerability data.

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