PT-2021-16305 · WordPress · Betterlinks

Huy Nguyen · Published 2021-11-23 · Updated 2021-11-24 · CVE-2021-24812

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions: BetterLinks WordPress plugin versions prior to 1.2.6

Description: The issue arises from the plugin's failure to properly sanitise and escape certain imported link fields. This oversight could lead to Stored Cross-Site Scripting issues when an administrator imports a malicious CSV file.

Recommendations: For versions prior to 1.2.6, update to version 1.2.6 or later to resolve the issue. As a temporary workaround, consider avoiding the import of CSV files from untrusted sources until the update is applied.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-24812

Affected Products

Betterlinks

References · 5

• 🔥 https://wpscan.com/vulnerability/6bc8fff1-ff10-4175-8a46-563f0f26f96a · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-24812 · Security Note
• https://osv.dev/vulnerability/CVE-2021-24812 · Vendor Advisory
• https://t.me/cibsecurity/32867 · Telegram Post
• https://t.me/cvenotify/23736 · Telegram Post