CVE-2023-36121Public exploitNetwork attack vector

Browser code execution via unencoded SEO description

Published Aug 1, 2023 · Updated Oct 17, 2024

Stored cross-site scripting in e107 2.3.2 allows remote authenticated users to execute browser code via an SEO description. The news editor accepts an iframe with a JavaScript URL in the SEO section's Description field and later renders it on the front end without neutralization. Administrative content-editing access is required to store the payload, and execution occurs when another user views the affected page.

CVSS severity5.4
Medium
EPSS probability1.19%
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 e107 2.3.2 allows remote authenticated users to execute browser code via an SEO description. The news editor accepts an iframe with a JavaScript URL in the SEO section's Description field and later renders it on the front end without neutralization. Administrative content-editing access is required to store the payload, and execution occurs when another user views the affected page.

The record

CVE
CVE-2023-36121
Published
Aug 1, 2023
Updated
Oct 17, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 1, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 17, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/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.

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 exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript/JScript

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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