wpcalc Counter Box Plugin up to 2.0.6 on WordPress content cross site scripting

Summaryinfo

A vulnerability marked as problematic has been reported in wpcalc Counter Box Plugin up to 2.0.6 on WordPress. Affected by this issue is some unknown functionality. This manipulation of the argument content causes cross site scripting. This vulnerability is tracked as CVE-2024-13901. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in wpcalc Counter Box Plugin up to 2.0.6 on WordPress and classified as problematic. Affected by this vulnerability is an unknown code. The manipulation of the argument content with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. The summary by CVE is:

The Counter Box: Add Engaging Countdowns, Timers & Counters to Your WordPress Site plugin for WordPress is vulnerable to DOM-Based Stored Cross-Site Scripting via the ‘content’ parameter in all versions up to, and including, 2.0.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

The weakness was disclosed by Nguyen Khanh Hao. The advisory is shared at wordfence.com. This vulnerability is known as CVE-2024-13901 since 02/21/2025. The exploitation appears to be difficult. The attack can be launched remotely. Additional levels of successful authentication are required for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• WordPress Plugin

Vendor

• wpcalc

Name

• Counter Box Plugin

Version

• 2.0.0
• 2.0.1
• 2.0.2
• 2.0.3
• 2.0.4
• 2.0.5
• 2.0.6

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion