CVE-2026-15202
YzmCMS Header yzmphp.php get_url cross site scripting
Vexday Risk Score
30Low
SSVC decision (CISA)
Attend
PoC available → attend closely
Exploit maturity
Proof of concept
Public proof of concept exists, but not yet automated.
CVSS 5.3EPSS —KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
09 Jul 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
A security vulnerability has been detected in YzmCMS up to 7.5. Affected is the function get_url of the file /yzmphp/yzmphp.php of the component Header Handler. The manipulation of the argument HTTP_HOST leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. 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:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
Affected products
n/a · YzmCMSpublic PoCs found — 1
cve_referencegist.github.com/188452/72d03d030ee3cbfee2642badfa9dce33unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.