CVE-2023-46722Public exploitNetwork attack vector

Session theft via unscanned PDF previews

Published Oct 31, 2023 · Updated Sep 5, 2024

Cross-site scripting in Pimcore Admin UI Classic Bundle before 1.2.0 allows remote authenticated users to execute script through PDF previews. The asset preview controller streams uploaded PDF content without first checking whether the document contains unsafe active content. An attacker must upload a crafted PDF and another authenticated user must open its preview, allowing script to steal that user's session cookie or redirect the page.

CVSS severity6.1
Medium
EPSS probability0.50%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in Pimcore Admin UI Classic Bundle before 1.2.0 allows remote authenticated users to execute script through PDF previews. The asset preview controller streams uploaded PDF content without first checking whether the document contains unsafe active content. An attacker must upload a crafted PDF and another authenticated user must open its preview, allowing script to steal that user's session cookie or redirect the page.

The record

CVE
CVE-2023-46722
Published
Oct 31, 2023
Updated
Sep 5, 2024
Vendor
Pimcore
Product
Admin UI Classic Bundle
Classifications
CWE-80, CWE-79, T1203
Attack vector
network
Privileges
authenticated

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

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=< 1.2.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Pimcore · Admin UI Classic Bundleversion=< 1.2.0

Published CVSS scores

6.1GitHubCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/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-80Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

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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