CVE-2023-34026Network attack vector

Script execution via reflected untrusted input

Published Jun 12, 2023 · Updated Apr 28, 2026

Reflected XSS in BrokenCrust This Day In History 3.10.1 and earlier allows remote attackers to run script via crafted requests. The CNA and primary advisory do not identify the affected request parameter or the output operation that reflects it without safe encoding. Exploitation requires a user to follow a crafted link, after which script runs in that user's browser context and can read or alter data available to that session.

CVSS severity6.1
Medium
EPSS probability0.38%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in BrokenCrust This Day In History 3.10.1 and earlier allows remote attackers to run script via crafted requests. The CNA and primary advisory do not identify the affected request parameter or the output operation that reflects it without safe encoding. Exploitation requires a user to follow a crafted link, after which script runs in that user's browser context and can read or alter data available to that session.

The record

CVE
CVE-2023-34026
Published
Jun 12, 2023
Updated
Apr 28, 2026
Vendor
BrokenCrust
Product
This Day In History
Classifications
CWE-79, CAPEC-591, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 12, 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 <=3.10.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

BrokenCrust · This Day In Historyversion=n/a <=3.10.1

Published CVSS scores

6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-591Reflected XSS
T1204.001User Execution: Malicious Link

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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