CVE-2021-24909: ACF Photo Gallery Field < 1.7.5 - Reflected Cross-Site Scripting

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-01-17 · updated 2026-06-17
Weakness: CWE-79

Description

The ACF Photo Gallery Field WordPress plugin before 1.7.5 does not sanitise and escape the post parameter in the includes/acf_photo_gallery_metabox_edit.php file before outputing back in an attribute, leading to a Reflected Cross-Site Scripting issue

Affected products

navzme ACF Photo Gallery Field: before 1.7.5 — fixed in 1.7.5

How to fix

Upgrade to a fixed version: navzme ACF Photo Gallery Field 1.7.5. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/5855f1fe-28f6-4cd6-a83c-95c23d809b79
https://wpscan.com/vulnerability/5855f1fe-28f6-4cd6-a83c-95c23d809b79

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