Is CVE-2023-51473 actively exploited?

No active exploitation of CVE-2023-51473 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-51473 be exploited remotely?

Yes. CVE-2023-51473 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-51473?

CVE-2023-51473 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-51473

CWE-434Published: December 29, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Unrestricted Upload of File with Dangerous Type vulnerability in Pixelemu TerraClassifieds – Simple Classifieds Plugin.This issue affects TerraClassifieds – Simple Classifieds Plugin: from n/a through 2.0.3.

NVD Source

Risk Analysis

The TerraClassifieds plugin for WordPress is affected by an unrestricted file upload vulnerability, enabling attackers to upload dangerous file types. This critical issue has a CVSS score of 9.8 and is not currently listed in the CISA KEV.

There is no known public exploit for this vulnerability. It is remotely exploitable with low attack complexity.

Recommended Action

Update the TerraClassifieds plugin to a version beyond 2.0.3. Implement server-side validation to restrict file types allowed for upload.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-51473 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.