What is the CVSS score of CVE-2021-24635?

CVE-2021-24635 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N. EPSS exploitation probability: 0.6%.

Is there a public PoC exploit available for CVE-2021-24635?

Yes, a public proof-of-concept exploit is available for CVE-2021-24635. Prioritise patching immediately. EPSS: 0.6%.

Visual Link Preview CVE-2021-24635

MEDIUM

Improper Access Control (CWE-284)

2021-09-20 contact@wpscan.com

CSRF WordPress Authentication Bypass Visual Link Preview

5.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.4 MEDIUM

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Sep 20, 2021 - 10:15 nvd

MEDIUM 5.4

DescriptionNVD

The Visual Link Preview WordPress plugin before 2.2.3 does not enforce authorisation on several AJAX actions and has the CSRF nonce displayed for all authenticated users, allowing any authenticated user (such as subscriber) to call them and 1) Get and search through title and content of Draft post, 2) Get title of a password-protected post as well as 3) Upload an image from an URL

AnalysisAI

The Visual Link Preview WordPress plugin before 2.2.3 does not enforce authorisation on several AJAX actions and has the CSRF nonce displayed for all authenticated users, allowing any authenticated. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-284. The Visual Link Preview WordPress plugin before 2.2.3 does not enforce authorisation on several AJAX actions and has the CSRF nonce displayed for all authenticated users, allowing any authenticated user (such as subscriber) to call them and 1) Get and search through title and content of Draft post, 2) Get title of a password-protected post as well as 3) Upload an image from an URL Affected products include: Bootstrapped Visual Link Preview. Version information: before 2.2.3.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.