CVE-2019-9581

Booked vulnerability

CVSS

8.8

EPSS

13.5%

EPSS pct

96th

Exploited

No known

phpscheduleit Booked Scheduler 2.7.5 allows arbitrary file upload via the Favicon field, leading to execution of arbitrary Web/custom-favicon.php PHP code, because Presenters/Admin/ManageThemePresenter.php does not ensure an image file extension.

Affected vendor

Twinkletoessoftware

Affected product

Booked

CVSS vector

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

Weakness type (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Published

2019-03-06

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 13.5% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2019-9581

Confirm whether Twinkletoessoftware Booked is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2019-9581.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-9581

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-9581 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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