CVE-2021-22849

Hyweb HyCMS-J1 backend editing function does not filter special characters. Users after log-in can inject JavaScript syntax to perform a stored XSS (Stored Cross-site scripting) attack.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.6 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
twcertCNA
4.6 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 39%
VendorProductVersion
hywebhycms-j1
𝑥
≤ 7.4.3
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.twcert.org.tw/tw/cp-132-4318-09cd3-1.html
https://www.twcert.org.tw/tw/cp-132-4318-09cd3-1.html