CVE-2023-43319

6.1 mediumEPSS 0.5%

Medium (6.1) in icewarp webclient. EPSS 0.5% chance of exploitation in the next 30 days.

Cross Site Scripting (XSS) vulnerability in the Sign-In page of IceWarp WebClient 10.3.5 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the username parameter.

Severity

CVSS 3.1

6.1 medium

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 43% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2023-09-25
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

icewarp:webclient

References

https://medium.com/%40muthumohanprasath.r/reflected-cross-site-scripting-on-icewarp-webclient-product-cve-2023-43319-c2ad758ac2bc
https://medium.com/%40muthumohanprasath.r/reflected-cross-site-scripting-on-icewarp-webclient-product-cve-2023-43319-c2ad758ac2bc

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