CVE-2026-18646

A weakness has been identified in danpros HTMLy up to 3.1.1. This vulnerability affects unknown code of the file /system/htmly.php of the component Author Name Handler. Executing a manipulation of the argument Name can lead to path traversal. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v4.0

5.5 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/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 v3.1

5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N

EPSS

0.54% chance of exploitation in the next 30 days, 43th percentile

Published

2026-08-03

Updated

2026-08-04

Proof-of-concept exploits (1)

• orionyan520/cve_report/issues/7

References

• CVE Record
• NVD entry

Related

• CVE-2026-14770
• CVE-2026-14771
• CVE-2026-14772
• CVE-2026-18644
• CVE-2026-18645
• CVE-2026-18647