CVE-2022-50684Network attack vectorHinoki check available

HTML injection via unencoded form email fields

Published Dec 18, 2025 · Updated Dec 18, 2025

HTML injection in Kentico Xperience 13.0.71 and earlier allows remote attackers to inject HTML into form notification emails. The live-site form mailer inserts submitted field values into notification and autoresponder email bodies without HTML encoding. A visitor can reach the flaw without authentication when a form sends either email type, and the payload executes only in an HTML-rendering mail client.

CVSS severity5.1
Medium
EPSS probability0.20%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

HTML injection in Kentico Xperience 13.0.71 and earlier allows remote attackers to inject HTML into form notification emails. The live-site form mailer inserts submitted field values into notification and autoresponder email bodies without HTML encoding. A visitor can reach the flaw without authentication when a form sends either email type, and the payload executes only in an HTML-rendering mail client.

The record

CVE
CVE-2022-50684
Published
Dec 18, 2025
Updated
Dec 18, 2025
Vendor
Kentico
Product
Kentico Xperience
Classifications
CWE-79
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 18, 2025CVE publishedPublication date reported by the CVE source.
  2. Dec 18, 2025Record 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=0 <=13.0.71

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Kentico · Kentico Xperienceversion=0 <=13.0.71

Published CVSS scores

6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.1VulnCheckCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
5.1VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA: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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

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

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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