CVE-2019-16268Public exploitNetwork attack vector

Credential theft via stored Description markup

Published Feb 3, 2021 · Updated Aug 5, 2024

HTML injection in Zoho ManageEngine Remote Access Plus 10.0.259 allows remote authenticated users to inject arbitrary HTML. The Roles workflow stores the Description parameter without neutralizing HTML and renders the supplied markup in the application. Administrative access is required to create the role, and another user must view the content for credential-theft impact.

CVSS severity4.8
Medium
EPSS probability1.81%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

HTML injection in Zoho ManageEngine Remote Access Plus 10.0.259 allows remote authenticated users to inject arbitrary HTML. The Roles workflow stores the Description parameter without neutralizing HTML and renders the supplied markup in the application. Administrative access is required to create the role, and another user must view the content for credential-theft impact.

The record

CVE
CVE-2019-16268
Published
Feb 3, 2021
Updated
Aug 5, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1056.003
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Feb 3, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 5, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
3.5NIST NVDAV:N/AC:M/Au:S/C:N/I:P/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

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

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1056.003Input Capture: Web Portal Capture

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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