CVE-2021-24882: Slideshow Gallery < 1.7.4 - Admin+ Stored Cross-Site Scripting

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-11-23 · updated 2026-06-17
Weakness: CWE-79

Description

The Slideshow Gallery WordPress plugin before 1.7.4 does not sanitise and escape the Slide "Title", "Description", and Gallery "Title" fields, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html is disallowed

Affected products

Tribulant Slideshow Gallery: before 1.7.4 — fixed in 1.7.4

How to fix

Upgrade to a fixed version: Tribulant Slideshow Gallery 1.7.4. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/6d71816c-8267-4b84-9087-191fbb976e72
https://wpscan.com/vulnerability/6d71816c-8267-4b84-9087-191fbb976e72

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