Vulnerability · Published Jan 24, 2022 · Assigned by WPScan

CVE-2021-24423UpdraftPlus < 1.16.59 - Admin+ Stored Cross-Site Scripting

Medium 4.8

In plain English

A medium-severity cross-site scripting in UpdraftPlus WordPress Backup Plugin from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities).

Severity (CVSS NVD)4.8Medium
Exploit odds (30 days)0.6%top 50.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

The UpdraftPlus WordPress Backup Plugin WordPress plugin before 1.6.59 does not sanitise its updraft_service settings, allowing high privilege users to set malicious JavaScript payload in it and leading to a Stored Cross-Site Scripting issue

Affected products (as reported)

VendorProductVersions
Unknown UpdraftPlus WordPress Backup Plugin 1.6.59 – before 1.6.59

Weakness: CWE-79

References