CVE-2023-49773
CWE-502Published: December 20, 2023· Updated: Jun 17, 2026
Official Description
Deserialization of Untrusted Data vulnerability in Tim Brattberg BCorp Shortcodes.This issue affects BCorp Shortcodes: from n/a through 0.23.
Risk Analysis
The BCorp Shortcodes plugin is vulnerable to insecure deserialization of untrusted data, which is a critical security flaw. This allows remote attackers to potentially execute arbitrary code on the server.
There is no known public exploit for this vulnerability, and it is not listed in the KEV database.
Update the BCorp Shortcodes plugin to the latest version to mitigate the risk.
Technical Analysis
CVE-2023-49773 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.
From a weakness classification perspective (CWE-502): Insecure deserialization vulnerabilities allow attackers to inject malicious objects during deserialization, potentially enabling remote code execution.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-502)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-49773 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts