Vulnerability · Published Jan 23, 2020 · Assigned by GitHub_M

CVE-2020-5223Persistent XSS vulnerability in filename of attached file in PrivateBin

Medium 6.1

In plain English

A medium-severity cross-site scripting in PrivateBin from PrivateBin. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.7%top 48.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In PrivateBin versions 1.2.0 before 1.2.2, and 1.3.0 before 1.3.2, a persistent XSS attack is possible. Under certain conditions, a user provided attachment file name can inject HTML leading to a persistent Cross-site scripting (XSS) vulnerability. The vulnerability has been fixed in PrivateBin v1.3.2 & v1.2.2. Admins are urged to upgrade to these versions to protect the affected users.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistprivatebin/privatebin1.2.2GHSA-8j72-p2wm-6738
Packagistprivatebin/privatebin1.3.2GHSA-8j72-p2wm-6738

Affected products (as reported)

VendorProductVersions
PrivateBin PrivateBin >= 1.2.0, < 1.2.2>= 1.3.0, < 1.3.2

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

References