CVE-2025-5703

MEDIUM

StageShow < 10.0.3 - Authenticated Stored Cross-Site Scripting via Anchor Parameter

Title source: llm

Description

The StageShow plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘anchor’ parameter in all versions up to, and including, 10.0.3 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.

References (3)

Core 3

Core References

Product

https://plugins.trac.wordpress.org/browser/stageshow/trunk/include/stageshowlib_salesplugin.php#L424

Product

https://wordpress.org/plugins/stageshow/#developers

Third Party Advisory

https://www.wordfence.com/threat-intel/vulnerabilities/id/6543b8ad-e3f3-43c7-93f9-23f7df07e391?source=cve

Scores

CVSS v3 6.4

EPSS 0.0021

EPSS Percentile 11.0%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (2)

malcolm-oph/StageShow < 10.0.3

stageshow_project/stageshow < 10.0.3

Published Jun 06, 2025

Tracked Since Feb 18, 2026