CVE-2021-24718Network attack vector

Stored XSS via unsanitized email name setting

Published Dec 6, 2021 · Updated Aug 3, 2024

Stored XSS in Repute InfoSystems ARForms before 1.5 allows remote authenticated users to execute script in an administrator's browser. The From/Replyto Name field under General Settings > Email Settings stores attacker-supplied markup without adequate sanitization and renders it in an administrative page. An administrator-level account must save the payload, and a user must open the affected view; the resulting script can access browser-session data and perform actions with that viewer's privileges.

CVSS severity4.8
Medium
EPSS probability0.60%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Repute InfoSystems ARForms before 1.5 allows remote authenticated users to execute script in an administrator's browser. The From/Replyto Name field under General Settings > Email Settings stores attacker-supplied markup without adequate sanitization and renders it in an administrative page. An administrator-level account must save the payload, and a user must open the affected view; the resulting script can access browser-session data and perform actions with that viewer's privileges.

The record

CVE
CVE-2021-24718
Published
Dec 6, 2021
Updated
Aug 3, 2024
Vendor
Repute InfoSystems
Product
ARForms
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Dec 6, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 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?

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

  1. Affected versionversion=1.5 <1.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Repute InfoSystems · ARFormsversion=1.5 <1.5

Published CVSS scores

4.8NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript/JScript

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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