Vulnerability · Published Nov 10, 2021 · Assigned by Mend

CVE-2021-25975Publify - Stored Cross-Site Scripting (XSS) due to Unrestricted File Upload

Medium 5.4

In plain English

A medium-severity cross-site scripting in publify_core from publify_core. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.6%top 51.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

In publify, versions v8.0 to v9.2.4 are vulnerable to stored XSS as a result of an unrestricted file upload. This issue allows a user with “publisher” role to inject malicious JavaScript via the uploaded html file.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
RubyGemspublify_core9.2.5GHSA-3h7v-wqw7-ff28

Affected products (as reported)

VendorProductVersions
publify_core publify_core v8.0 – before unspecifiedunspecified – through v9.2.4

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References