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cve recordcriticalexploit reported

CVE-2026-15039

Published
CVSS9.8
Severitycritical
WeaknessCWE-434
EPSS0.57%44.8th percentile
Exploited1 KEV source

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

patch window

Called exploited 9 days after disclosure.

Measured from the CVE publication date to the earliest of 1 KEV catalogue that list it.

The life of this vulnerability

  1. CVE published
  2. First KEV listing9d
  3. Last sightingsame day

Gaps are compressed to equal steps. The elapsed time is printed under each.

Which catalogues call it exploited

Sources1 of 3
Listings differ by

This rests on a single catalogue. No second catalogue corroborates the claim that it is being exploited. CIRCL is an aggregator and is not counted.

Public exploitation evidence

1 public report collected from VulnCheck and CIRCL, first on Aug 21, 2026. Each links to its original source. We have not verified them.

Description

The giftware WordPress plugin before 4.2.10 does not validate the type of uploaded files in one of its upload paths, allowing unauthenticated users to upload arbitrary files, including PHP code, which can lead to remote code execution.

References

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Our coverage of CVE-2026-15039

No stories yet. This page updates automatically when we publish reporting that references CVE-2026-15039.