Vulnerability · Published Nov 2, 2021 · Assigned by Mend

CVE-2021-25973Publify - Improper Authorization Leads to Guest Signup Restriction Bypass

Medium 6.5

In plain English

A medium-severity security flaw 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 0.8% (higher than 58% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.8%top 42.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

In Publify, 9.0.0.pre1 to 9.2.4 are vulnerable to Improper Access Control. “guest” role users can self-register even when the admin does not allow. This happens due to front-end restriction only.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
RubyGemspublify_core9.2.5GHSA-x24j-87x9-jvv5

Affected products (as reported)

VendorProductVersions
publify_core publify_core 9.0.0.pre1 – before unspecifiedunspecified – through 9.2.4

Weakness: CWE-285 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

References