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CVE-2023-31133

7.5 · HIGH

Ghost is an app for new-media creators with tools to build a website, publish content, send newsletters, and offer paid subscriptions to members.

Published May 8, 2023CWE-200EPSS 45.71%

Overview

CVE-2023-31133 is a high-severity vulnerability. It was published on May 8, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Ghost is an app for new-media creators with tools to build a website, publish content, send newsletters, and offer paid subscriptions to members. Prior to version 5.46.1, due to a lack of validation when filtering on the public API endpoints, it is possible to reveal private fields via a brute force attack.

Ghost(Pro) has already been patched. Maintainers can find no evidence that the issue was exploited on Ghost(Pro) prior to the patch being added. Self-hosters are impacted if running Ghost a version below v5.46.1. v5.46.1 contains a fix for this issue. As a workaround, add a block for requests to `/ghost/api/content/*` where the `filter` query parameter contains `password` or `email`.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/TryGhost/Ghost/commit/b3caf16005289cc9909488391b4a26f3f4a66a90GitHubgithub.com/TryGhost/Ghost/releases/tag/v5.46.1GitHubgithub.com/TryGhost/Ghost/security/advisories/GHSA-r97q-ghch-82j9GitHubgithub.com/TryGhost/Ghost/commit/b3caf16005289cc9909488391b4a26f3f4a66a90GitHubgithub.com/TryGhost/Ghost/releases/tag/v5.46.1GitHubgithub.com/TryGhost/Ghost/security/advisories/GHSA-r97q-ghch-82j9

How CyberStrike helps

Frequently asked questions

What is CVE-2023-31133?

CVE-2023-31133 is a high-severity vulnerability. It was published on May 8, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2023-31133?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-31133?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-31133?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-31133 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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