CVE-2026-18644 (GCVE-0-2026-18644)

Vulnerability from cvelistv5 – Published: 2026-08-03 20:00 – Updated: 2026-08-03 20:28
VLAI
Title
danpros HTMLy Delete Username Endpoint htmly.php unlink path traversal
Summary
A vulnerability was identified in danpros HTMLy up to 3.1.1. Affected by this issue is the function unlink of the file /system/htmly.php of the component Delete Username Endpoint. Such manipulation of the argument File leads to path traversal. The attack can be launched 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.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R
5.4 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://vuldb.com/vuln/385563 vdb-entrytechnical-description
https://vuldb.com/vuln/385563/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-18644 third-party-advisory
https://vuldb.com/submit/854991 third-party-advisory
https://github.com/orionyan520/cve_report/issues/5 exploitissue-tracking
Impacted products
Vendor Product Version
danpros HTMLy Affected: 3.1.0
Affected: 3.1.1
    cpe:2.3:a:htmly:htmly:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
orionyan (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.