CVE-2026-21768

Malicious content execution via incomplete HTML validation

Published Jun 19, 2026 · Updated Jun 19, 2026

Cross-site scripting in HCL Verse for Android 14.5.10 allows attackers to execute malicious content through rich-text email composition. The embedded compose-rich-editor 1.0.0-rc14 library processes HTML without validating every input element before incorporating it into composed content. Exploitation requires local access and user interaction; published impact is limited to confidentiality and integrity, with no availability loss.

CVSS severity6.3
Medium
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in HCL Verse for Android 14.5.10 allows attackers to execute malicious content through rich-text email composition. The embedded compose-rich-editor 1.0.0-rc14 library processes HTML without validating every input element before incorporating it into composed content. Exploitation requires local access and user interaction; published impact is limited to confidentiality and integrity, with no availability loss.

The record

CVE
CVE-2026-21768
Published
Jun 19, 2026
Updated
Jun 19, 2026
Vendor
HCLSoftware
Product
HCL Verse for Android
Classifications
CWE-79, CWE-20
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 19, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 19, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=14.5.10

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

HCLSoftware · HCL Verse for Androidversion=14.5.10

Published CVSS scores

6.3HCL SoftwareCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-20Improper Input Validation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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