What’s Vulnerable › Vulnerabilities

CVE-2023-43319

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-09-25 · updated 2026-06-17
• Weakness: CWE-79

Description

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.

Affected products

• IceWarp Webclient: 10.3.5

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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