CVE-2023-25020Network attack vector

Unauthenticated script execution via stored XSS

Published Apr 7, 2023 · Updated Apr 28, 2026

Cross-site scripting in Arigato Autoresponder and Newsletter 2.7.1.1 and earlier allows remote attackers to execute script via stored input. The published advisory does not identify the vulnerable input field, handler, or output sink beyond labeling the issue stored XSS. No authentication is required to submit the payload, but a victim must load the affected page; execution can read or alter data available to that victim.

CVSS severity7.1
High
EPSS probability0.41%
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 Arigato Autoresponder and Newsletter 2.7.1.1 and earlier allows remote attackers to execute script via stored input. The published advisory does not identify the vulnerable input field, handler, or output sink beyond labeling the issue stored XSS. No authentication is required to submit the payload, but a victim must load the affected page; execution can read or alter data available to that victim.

The record

CVE
CVE-2023-25020
Published
Apr 7, 2023
Updated
Apr 28, 2026
Vendor
Kiboko Labs Ltd.
Product
Arigato Autoresponder and Newsletter
Classifications
CWE-79, CAPEC-592, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 7, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 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=n/a <=2.7.1.1 changes=[{"at":"2.7.1.2","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Kiboko Labs Ltd. · Arigato Autoresponder and Newsletterversion=n/a <=2.7.1.1 changes=[{"at":"2.7.1.2","status":"unaffected"}]

Published CVSS scores

7.1PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
6.1NVDCVSS:3.1/AV:N/AC:L/PR:N/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.

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

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)
CAPEC-592Stored XSS
T1059.007JavaScript

Public exploit references

No public exploit references are available in this record.

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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