CVE-2026-1099

Administrative Shortcodes <= 0.3.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'login' and 'logout' Shortcode Attributes

6.4 Medium

The Administrative Shortcodes plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'login' and 'logout' shortcode attributes in all versions up to, and including, 0.3.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.25%Up 0.2 points since Jan 24, 2026

What each source reports

CVE List Score used 6.4

Administrative Shortcodes <= 0.3.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'login' and 'logout' Shortcode Attributes

Record: CVE-2026-1099
CVSS 3.1: 6.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2026-4560 6.4

Record: EUVD-2026-4560
CVSS 3.1: 6.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-hpff-r98r-37f4 6.4

The Administrative Shortcodes plugin for WordPress is vulnerable to Stored Cross-Site Scripting...

Record: GHSA-hpff-r98r-37f4
CVSS 3.1: 6.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

NVD 6.4

Record: CVE-2026-1099
CVSS 3.1: 6.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

shazdeh administrative shortcodes

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-1099 is a medium vulnerability (CVSS 6.4) in Shazdeh Administrative Shortcodes, published January 24, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 16th percentile. No source names a fixed version.