CVE-2023-40335Network attack vector

Unauthenticated stored script execution

Published Nov 13, 2023 · Updated Apr 28, 2026

Cross-site request forgery in Cleverwise Daily Quotes 3.2 and earlier allows remote attackers to store scripts through a forged request. Patchstack has not published the vulnerable request, handler, or input whose missing CSRF validation permits script storage. Exploitation requires a privileged user to act on attacker-controlled content, after which the stored script executes for site visitors.

CVSS severity7.1
High
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site request forgery in Cleverwise Daily Quotes 3.2 and earlier allows remote attackers to store scripts through a forged request. Patchstack has not published the vulnerable request, handler, or input whose missing CSRF validation permits script storage. Exploitation requires a privileged user to act on attacker-controlled content, after which the stored script executes for site visitors.

The record

CVE
CVE-2023-40335
Published
Nov 13, 2023
Updated
Apr 28, 2026
Vendor
Jeremy O'Connell
Product
Cleverwise Daily Quotes
Classifications
CWE-352, CAPEC-592, T1204
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 13, 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 <=3.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Jeremy O'Connell · Cleverwise Daily Quotesversion=n/a <=3.2

Published CVSS scores

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

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-352Cross-Site Request Forgery (CSRF)
CAPEC-592Stored XSS
T1204User Execution

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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