PT-2022-13408 · Unknown · Post-Loader

Feng Xiao + 1 · Published 2022-03-17 · Updated 2023-08-08 · CVE-2022-0748

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions post-loader versions 0.0.0 and later

Description The issue concerns the post-loader package, which is a webpack loader for blog posts written in Markdown. It is vulnerable to Arbitrary Code Execution due to the use of a markdown parser in an unsafe way. This allows any JavaScript code inside the markdown input files to be evaluated and executed.

Recommendations For post-loader versions 0.0.0 and later, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2022-0748

GHSA-66WW-999Q-MFFQ

SNYK-JS-POSTLOADER-2403737

Affected Products

Post-Loader

References · 6

• 🔥 https://snyk.io/vuln/SNYK-JS-POSTLOADER-2403737 · Exploit
• https://osv.dev/vulnerability/CVE-2022-0748 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-0748 · Security Note
• https://osv.dev/vulnerability/GHSA-66ww-999q-mffq · Vendor Advisory
• https://github.com/egoist/post-loader · Note
• https://t.me/cibsecurity/39140 · Telegram Post