CVE-2017-20289

Broadstreet Ad Widget WordPress Plugin < 2.12.0 Local File Inclusion via step parameter

State
Published
Severity
7.7 High
Published
Oct 22, 2026
Updated
Oct 23, 2026
Reserved
Oct 14, 2026

Read the record on cve.org

Description

Broadstreet Ad Widget plugin for WordPress 2.2.0 before 2.12.0 contains a local file inclusion vulnerability that allows authenticated users to execute attacker-chosen PHP files by passing unsanitized input to require in views/modal/index.php. Attackers can supply directory traversal sequences in the 'step' parameter, optionally with a null byte, to include local files and execute PHP code. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-19.

Scores

CVSSScoreVectorSource
4.07.7 HighCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NVulnCheck
3.17.5 HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HVulnCheck

Weaknesses

  • CWE-98 Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')

Affected Products

ProductVersions
Ad WidgetBroadstreet
  • 2.2.0 to before 2.12.0Affected

References

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