CVE-2023-3547Public exploitNetwork attack vector

Quote rejection via unchecked nonce

Published Sep 25, 2023 · Updated Apr 23, 2025

Cross-site request forgery in All in One B2B for WooCommerce 1.0.3 and earlier allows remote attackers to reject stored quotes. The quote-rejection action accepts status and base64-encoded quote_id query values and changes the database record without validating a nonce. Exploitation requires a logged-in administrator to visit an attacker-crafted URL; the demonstrated consequence is an unauthorized quote-status change.

CVSS severity8.8
High
EPSS probability0.39%
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 All in One B2B for WooCommerce 1.0.3 and earlier allows remote attackers to reject stored quotes. The quote-rejection action accepts status and base64-encoded quote_id query values and changes the database record without validating a nonce. Exploitation requires a logged-in administrator to visit an attacker-crafted URL; the demonstrated consequence is an unauthorized quote-status change.

The record

CVE
CVE-2023-3547
Published
Sep 25, 2023
Updated
Apr 23, 2025
Vendor
WPExperts
Product
All in One B2B for WooCommerce
Classifications
CWE-352, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 25, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 23, 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 <=1.0.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

WPExperts · All in One B2B for WooCommerceversion=0 <=1.0.3

Published CVSS scores

8.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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 exploitPublished

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)
T1204.001Malicious Link

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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