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TI-2026-15279 Aliases CVE-2026-18646GHSA-pq92-gfff-99hc

danpros HTMLy Author Name htmly.php path traversal

Priority HIGH 70CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00767 55th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
danprosHTMLy3.1.0; 3.1.1—No fix listedCNA
  • HTMLy Vendordanpros Affected 3.1.0; 3.1.1 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:htmly:htmly:*:*:*:*:*:*:*:*——Htmly
  • cpe:2.3:a:htmly:htmly:*:*:*:*:*:*:*:* Versions — — ·Htmly

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-18646
  2. 2026-10-03 Alias added: GHSA-pq92-gfff-99hc

References

  • TI-2026-15278 danpros HTMLy Admin Content Endpoint admin.php add_content path traversal CVSS 4.0MEDIUM 5.3
  • TI-2026-15277 danpros HTMLy Delete Username Endpoint htmly.php unlink path traversal CVSS 4.0MEDIUM 5.3
  • TI-2026-33048 HTMLy CMS 3.1.1 Path Traversal via oldfile Parameter in Autosave CVSS 4.0HIGH 7.2
  • TI-2026-41706 Server-side request forgery in danpros HTMLy CVSS 4.0LOW 2.1

Sources