TI-2023-01861 Aliases CVE-2023-1978 GHSA-5g87-8pvq-89c8

ShiftController Employee Shift Scheduling <= 4.9.25 - Reflected Cross-Site Scripting via Query String

LOW 28CWE-79Published 2023-06-09 · Updated 2026-04-08

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

The ShiftController Employee Shift Scheduling plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the query string in versions up to, and including, 4.9.25 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00433 37th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
plainware	ShiftController Employee Shift Scheduling	up to 4.9.25	—	No fix listed	CNA

ShiftController Employee Shift Scheduling Vendorplainware Affected up to 4.9.25 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:plainware:shiftcontroller::::::wordpress::*	up to 4.9.25	Vulnerable	plainware

cpe:2.3:a:plainware:shiftcontroller:*:*:*:*:*:wordpress:*:* Versions up to 4.9.25 Vulnerable ·plainware

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-1978
2026-10-03 Alias added: GHSA-5g87-8pvq-89c8

References

Patch 1

https://plugins.trac.wordpress.org/changeset/2898274/shiftcontroller

Advisory 1

https://www.wordfence.com/threat-intel/vulnerabilities/id/b5c61212-e68e-4198-b078-18121576b767?source=cve

TI-2023-13805 WordPress ShiftController Employee Shift Scheduling Plugin <= 4.9.23 is vulnerable to Cross Site Request Forgery (CSRF) CVSS 3.1HIGH 8.8
TI-2023-13804 WordPress ShiftController Employee Shift Scheduling Plugin <= 4.9.23 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1HIGH 7.1
TI-2024-08754 ShiftController Employee Shift Scheduling <= 4.9.66 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 6.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences