CVE-2026-2933
CWE-79Published: February 22, 2026· Updated: Feb 24, 2026
Official Description
A weakness has been identified in YiFang CMS up to 2.0.5. This affects the function update of the file app/db/admin/D_adManage.php of the component Extended Management Module. Executing a manipulation of the argument Name can lead to cross site scripting. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.
Technical Analysis
CVE-2026-2933 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.
A proof-of-concept (PoC) exploit exists for CVE-2026-2933. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.
From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (4)
Quick Facts
Related CVEs (CWE-79)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-2933 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts