CVE-2023-28533Network attack vector

Administrator-stored script execution in victim browsers

Published Aug 17, 2023 · Updated Apr 28, 2026

Stored cross-site scripting in M Williams Cab Grid 1.5.15 and earlier allows remote authenticated users to run script in another user's browser. Public records do not identify the affected field, handler, or missing neutralization operation. Administrator access is required to store the payload, and another user must view the affected output before the script runs in that site's origin.

CVSS severity5.9
Medium
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

Stored cross-site scripting in M Williams Cab Grid 1.5.15 and earlier allows remote authenticated users to run script in another user's browser. Public records do not identify the affected field, handler, or missing neutralization operation. Administrator access is required to store the payload, and another user must view the affected output before the script runs in that site's origin.

The record

CVE
CVE-2023-28533
Published
Aug 17, 2023
Updated
Apr 28, 2026
Vendor
M Williams
Product
Cab Grid
Classifications
CWE-79, CAPEC-592, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Aug 17, 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 <=1.5.15 changes=[{"at":"1.6","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

M Williams · Cab Gridversion=n/a <=1.5.15 changes=[{"at":"1.6","status":"unaffected"}]

Published CVSS scores

4.8NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
5.9PatchstackCVSS:3.1/AV:N/AC:L/PR:H/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.

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
Privilegesadmin
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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