CVE-2021-42194
CVSS v3
7.2
HIGH
EPSS Score
1.1 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
The wechat_return function in /controller/Index.php of EyouCms V1.5.4-UTF8-SP3 passes the user's input directly into the simplexml_ load_ String function, which itself does not prohibit external entities, triggering a XML external entity (XXE) injection vulnerability.
Technical details
- Published
- 2022-03-20
Frequently asked questions
What is CVE-2021-42194?
The wechat_return function in /controller/Index.php of EyouCms V1.5.4-UTF8-SP3 passes the user's input directly into the simplexml_ load_ String function, which itself does not prohibit external entities, triggering a XML external entity (XXE) injection vulnerability.
Is CVE-2021-42194 actively exploited?
Active exploitation of CVE-2021-42194 has not been confirmed. Its EPSS score was 1.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-42194?
CVE-2021-42194 has a CVSS v3 base score of 7.2 (HIGH severity).
Is CVE-2021-42194 affecting your environment?
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