CVE-2020-4080

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-12-18 · updated 2026-06-17
Weakness: CWE-79

Description

HCL Verse v10 and v11 is susceptible to a Stored Cross-Site Scripting (XSS) vulnerability due to improper handling of message content. An unauthenticated remote attacker could exploit this vulnerability using specially-crafted markup to execute script in a victim's web browser within the security context of the hosting Web site and/or steal the victim's cookie-based authentication credentials.

Affected products

HCL Domino: 10.0.0, 10.0.1, 10.0.1-fix_pack_1, 10.0.1-fix_pack_2, 10.0.1-fix_pack_3, 10.0.1-fix_pack_4 (+4)

References

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0085887
https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0085887

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