CVE-2026-6633
Yifang CMS Extended Management L_rbac_admin.php store cross site scripting
Vexday Risk Score
33Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 5.1EPSS 0.3%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
20 Apr 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
A security flaw has been discovered in Yifang CMS up to 2.0.5. The impacted element is the function store of the file plugins/yifang_backend_account/logic/admin/L_rbac_admin.php of the component Extended Management Module. The manipulation of the argument Account results in cross site scripting. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
Affected products
Yifang · CMSpublic PoCs found — 1
cve_referencegithub.com/shiyifei999-ux/cve/issues/1unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.