CVE-2022-4459: WP Show Posts < 1.1.4 - Contributor+ Stored XSS

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-02-06 · updated 2026-06-17

Description

The WP Show Posts WordPress plugin before 1.1.4 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.

Affected products

WP Show Posts: before 1.1.4 — fixed in 1.1.4

How to fix

Upgrade to a fixed version: WP Show Posts 1.1.4. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/3ef4783b-4e4a-4691-b858-a7fa8dada4ec
https://wpscan.com/vulnerability/3ef4783b-4e4a-4691-b858-a7fa8dada4ec

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