PT-2023-11579 · Yiicms · Yiicms

Huuuz · Published 2023-06-20 · Updated 2024-12-10 · CVE-2020-21246

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions YiiCMS versions 1.2.0 and prior YiiCMS version 1.0

Description The issue allows a remote attacker to execute arbitrary code via the news function, which is affected by a Cross Site Scripting vulnerability.

Recommendations For YiiCMS versions 1.2.0 and prior, update to a version later than 1.2.0 to resolve the issue. For YiiCMS version 1.0, update to a version later than 1.0 to resolve the issue. As a temporary workaround, consider restricting access to the news function until a patch is available.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-21246

GHSA-GQR4-CVF4-3957

Affected Products

Yiicms

References · 9

• 🔥 https://github.com/yongshengli/yiicms/issues/6 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-21246 · Security Note
• https://osv.dev/vulnerability/CVE-2020-21246 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-gqr4-cvf4-3957 · Vendor Advisory
• https://github.com/yongshengli/yiicms/commit/4a9d68564eb78d9f64e3f5dd77186a154093615b · Note
• https://github.com/yongshengli/yiicms · Note
• https://t.me/cvenotify/103726 · Telegram Post
• https://t.me/cvenotify/53168 · Telegram Post
• https://t.me/cvenotify/52689 · Telegram Post