CVE-2023-47854Network attack vector

Stored script execution in visitor browsers

Published Nov 30, 2023 · Updated Apr 28, 2026

Stored XSS in Howard Ehrenberg Parallax Image 1.7.1 and earlier allows remote authenticated users to execute script in a visitor's browser. Patchstack has not disclosed the affected input, code locus, or missing neutralization operation that stores and later renders the script. Exploitation requires low-privileged content access and a visitor to view the stored payload, after which the script can act within the affected site's browser origin.

CVSS severity6.5
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 XSS in Howard Ehrenberg Parallax Image 1.7.1 and earlier allows remote authenticated users to execute script in a visitor's browser. Patchstack has not disclosed the affected input, code locus, or missing neutralization operation that stores and later renders the script. Exploitation requires low-privileged content access and a visitor to view the stored payload, after which the script can act within the affected site's browser origin.

The record

CVE
CVE-2023-47854
Published
Nov 30, 2023
Updated
Apr 28, 2026
Vendor
Howard Ehrenberg
Product
Parallax Image
Classifications
CWE-79, CAPEC-592, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 30, 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

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=n/a <=1.7.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Howard Ehrenberg · Parallax Imageversion=n/a <=1.7.1

Published CVSS scores

5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
6.5PatchstackCVSS:3.1/AV:N/AC:L/PR:L/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-592Stored XSS
T1203Exploitation for Client Execution

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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