CVE-2021-24812: BetterLinks < 1.2.6 - Admin+ Stored Cross-Site Scripting

Severity: medium (CVSS 5.4 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 BetterLinks WordPress plugin before 1.2.6 does not sanitise and escape some of imported link fields, which could lead to Stored Cross-Site Scripting issues when an admin import a malicious CSV.

Affected products

WPDeveloper BetterLinks: before 1.2.6 — fixed in 1.2.6

How to fix

Upgrade to a fixed version: WPDeveloper BetterLinks 1.2.6. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/6bc8fff1-ff10-4175-8a46-563f0f26f96a
https://wpscan.com/vulnerability/6bc8fff1-ff10-4175-8a46-563f0f26f96a

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