CVE-2020-21246

Cross Site Scripting vulnerability in YiiCMS v.1.0 allows a remote attacker to execute arbitrary code via the news function.

CVSS v3.1 NVD

5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS

0.55% chance of exploitation in the next 30 days, 45th percentile

Published

2023-06-20

Updated

2024-12-10

Proof-of-concept exploits (1)

• yongshengli/yiicms/issues/6118★ · 2026-07-18

Security advisories

• advisories/GHSA-gqr4-cvf4-3957

References

• CVE Record
• NVD entry