HubspotCVEs & Vulnerabilities

6 CVEs affecting Hubspot products, tracked from the National Vulnerability Database, with CVSS/EPSS scores and exploitation status.

Most Affected Products

jinjava 3hubspot 2hubl-server 1
CVE-2025-59340CRITICAL

jinjava is a Java-based template engine based on django template syntax, adapted to render jinja templates. Priori to 2.8.1, by using mapper.getTypeFactory().constructFromCanonical(), it is possible to instruct the underlying ObjectMapper to deserialize attacker-controlled input into arbitrary classes. This enables the creation of semi-arbitrary class instances without directly invoking restricted methods or class literals. As a result, an attacker can escape the sandbox and instantiate classes such as java.net.URL, opening up the ability to access local files and URLs(e.g., file:///etc/passwd). With further chaining, this primitive can potentially lead to remote code execution (RCE). This vulnerability is fixed in 2.8.1.

17 Sep 2025
10.0
CVSS
CVE-2024-5879MEDIUM

The HubSpot – CRM, Email Marketing, Live Chat, Forms & Analytics plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'url' attribute of the HubSpot Meeting Widget in all versions up to, and including, 11.1.22 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

30 Aug 2024
5.4
CVSS
CVE-2022-1239HIGH

The HubSpot WordPress plugin before 8.8.15 does not validate the proxy URL given to the proxy REST endpoint, which could allow users with the edit_posts capability (by default contributor and above) to perform SSRF attacks

2 May 2022
8.8
CVSS
CVE-2020-12668MEDIUM

Jinjava before 2.5.4 allow access to arbitrary classes by calling Java methods on objects passed into a Jinjava context. This could allow for abuse of the application class loader, including Arbitrary File Disclosure.

20 Feb 2021
6.5
CVSS
CVE-2018-18893MEDIUM

Jinjava before 2.4.6 does not block the getClass method, related to com/hubspot/jinjava/el/ext/JinjavaBeanELResolver.java.

3 Jan 2019
5.3
CVSS
CVE-2017-16035HIGH

The hubl-server module is a wrapper for the HubL Development Server. During installation hubl-server downloads a set of dependencies from api.hubapi.com. It appears in the code that these files are downloaded over HTTPS however the api.hubapi.com endpoint redirects to a HTTP url. Because of this behavior an attacker with the ability to man-in-the-middle a developer or system performing a package installation could compromise the integrity of the installation.

4 Jun 2018
8.1
CVSS
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