CVE-2026-8703: Endless Scroll <= 1.0.0 - [Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')]

Severity: medium (CVSS 6.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-27 · updated 2026-06-17
Weakness: CWE-79

Description

The Endless Scroll plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Shortcode Attributes in all versions up to, and including, 1.0.0 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.

Affected products

codycave Endless Scroll: through 1.0.0

References

https://plugins.trac.wordpress.org/browser/endless-scroll/trunk/index.php#L54
https://plugins.trac.wordpress.org/browser/endless-scroll/trunk/index.php#L58
https://www.wordfence.com/threat-intel/vulnerabilities/id/0b56f54b-978e-41ea-8cbe-846facb71cd3?source=cve

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