CVE-2023-5861Public exploitNetwork attack vector

Stored script execution via unsanitized checkout fields

Published Oct 31, 2023 · Updated Sep 5, 2024

Stored XSS in Microweber before 2.0 allows remote attackers to execute scripts in a user's browser through crafted checkout fields. OrderManager::place_order stores recursively supplied customer and address strings without stripping tags or applying XSS cleaning. A victim must view the stored customer or order data; the script runs in that user's browser context and can read or alter accessible page data.

CVSS severity6.4
Medium
EPSS probability0.44%
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 Microweber before 2.0 allows remote attackers to execute scripts in a user's browser through crafted checkout fields. OrderManager::place_order stores recursively supplied customer and address strings without stripping tags or applying XSS cleaning. A victim must view the stored customer or order data; the script runs in that user's browser context and can read or alter accessible page data.

The record

CVE
CVE-2023-5861
Published
Oct 31, 2023
Updated
Sep 5, 2024
Vendor
Microweber
Product
Microweber
Classifications
CWE-79, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 31, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 5, 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=unspecified <2.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Microweber · Microweberversion=unspecified <2.0

Published CVSS scores

6.4huntr.devCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:H
4.8NIST NVDCVSS: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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

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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