PT-2022-9440 · WordPress · Updraftplus Wordpress Backup Plugin

M0Ze + 1 · Published 2022-01-24 · Updated 2022-01-27 · CVE-2021-24423

Positive Technologies (AI Summary)

CVSS v3.1

4.8

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions UpdraftPlus WordPress Backup Plugin versions prior to 1.6.59

Description The issue allows high privilege users to set malicious JavaScript payload due to a lack of sanitization in the updraft service settings, leading to a Stored Cross-Site Scripting issue.

Recommendations For versions prior to 1.6.59, update to version 1.6.59 or later to resolve the issue. As a temporary workaround, consider restricting access to the updraft service settings to minimize the risk of exploitation.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-24423

Affected Products

Updraftplus Wordpress Backup Plugin

References · 5

• 🔥 https://m0ze.ru/vulnerability/[2021-05-09]-[WordPress]-[CWE-79]-UpdraftPlus-WordPress-Plugin-v1.16.56.txt · Exploit
• 🔥 https://wpscan.com/vulnerability/541974d6-2df8-4497-9aee-afd3b9024102 · Exploit
• https://osv.dev/vulnerability/CVE-2021-24423 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-24423 · Security Note
• https://m0ze.ru/vulnerability/%5B2021-05-09%5D-%5BWordPress%5D-%5BCWE-79%5D-UpdraftPlus-WordPress-Plugin-v1.16.56.txt · Note