PoC Index83,572 CVEs with PoCs

CVE-2026-116254

rathena FluxCP PayPal IPN PaymentNotifyRequest.php verifyiprange origin validation

MEDIUM 5.5EPSS 0.3%

A vulnerability was identified in rathena FluxCP up to 98cd4b8fd83228c11b36fb3d097b8e0f7c105a8d. This issue affects the function verifyiprange of the file lib/Flux/PaymentNotifyRequest.php of the component PayPal IPN Handler. The manipulation of the argument X-Real-IP leads to origin validation error. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected
rathena · FluxCP
CVSS v4.0 VULDB
5.5 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v4.0 VulDB
6.9 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CVSS v3.1 VULDB
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
CVSS v3.1 VulDB
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:C
CVSS v3.0 VulDB
6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:C
CVSS v2.0 VULDB
6.4 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:P
CVSS v2.0 VulDB
6.4 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:P/E:POC/RL:ND/RC:C
EPSS
0.26% chance of exploitation in the next 30 days, 18th percentile
Published
2026-10-26
Updated
2026-10-31

Proof-of-concept exploits (1)

CVE references

References