CVE security advisories and vulnerability history for yii2 by yiisoft.
Last updated
yiisoft yii2 has 19 published CVE records since 2017, of which 1 are in CISA's Known Exploited Vulnerabilities catalog and 4 have a known public exploit. The average CVSS base score across scored CVEs is 7.7.
This page aggregates every publicly disclosed vulnerability (CVE) affecting yiisoft yii2, with a severity breakdown, the affected and patched versions, the most common weakness types, and the full CVE list.
How the CVSS severity of yiisoft yii2's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.
9 additional CVEs have no CVSS severity score.
In CISA’s Known Exploited Vulnerabilities catalog
1
One of yiisoft yii2's CVEs is confirmed exploited in the wild.
Public exploits
4
4 of yiisoft yii2's CVEs have a known public exploit available.
Browse every yiisoft yii2 version named in a CVE, then pick one to see only the CVEs that affect it.
19 CVEs
Added to CISA KEV 2025-05-02
The CWE weakness categories most often found in yiisoft yii2 CVEs. Follow any weakness for its full explanation.
How many yiisoft yii2 CVEs were published each year.
Browse vulnerabilities for other products by yiisoft.
Common questions about yiisoft yii2 vulnerabilities.
yiisoft yii2 has 19 published CVE records since 2017.
Yes — 1 of yiisoft yii2's CVEs are listed in CISA's Known Exploited Vulnerabilities catalog, confirmed exploited in the wild and carrying a CISA remediation deadline.
Yes — 4 of yiisoft yii2's CVEs have a known public exploit.
81 distinct yiisoft yii2 versions are named across its CVEs. Use the version filter above to see the CVEs affecting a specific version.
yiisoft yii2's CVEs most often map to these CWE weakness types: CWE-502 (Deserialization of Untrusted Data), CWE-1241 (Use of Predictable Algorithm in Random Number Generator), CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')), CWE-20 (Improper Input Validation).
yiisoft yii2 has 2 critical and 5 high-severity CVEs.
The average CVSS base score across yiisoft yii2's scored CVEs is 7.7.
Vulnerability data is sourced from the CVE Program; severity, KEV, and exploit signals are aggregated by RadicalNotion.AI.
Monitor new yiisoft yii2 vulnerabilities as they are disclosed, with AI-written analysis and remediation guidance.
