CVE-2021-24319: Bello < 1.6.0 - Authenticated Cross-Site Scripting (XSS) and XFS

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-06-01 · updated 2026-06-17
Weakness: CWE-79

Description

The Bello - Directory & Listing WordPress theme before 1.6.0 did not properly sanitise its post_excerpt parameter before outputting it back in the shop/my-account/bello-listing-endpoint/ page, leading to a Cross-Site Scripting issue

Affected products

BoldThemes Bello - Directory & Listing: before 1.6.0 — fixed in 1.6.0

How to fix

Upgrade to a fixed version: BoldThemes Bello - Directory & Listing 1.6.0. Check the vendor advisory for mitigations.

References

https://m0ze.ru/vulnerability/%5B2021-03-21%5D-%5BWordPress%5D-%5BCWE-1021%5D-Bello-WordPress-Theme-v1.5.9.txt
https://wpscan.com/vulnerability/2c274eb7-25f1-49d4-a2c8-8ce8cecebe68
https://m0ze.ru/vulnerability/%5B2021-03-21%5D-%5BWordPress%5D-%5BCWE-1021%5D-Bello-WordPress-Theme-v1.5.9.txt
https://wpscan.com/vulnerability/2c274eb7-25f1-49d4-a2c8-8ce8cecebe68

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