CVE-2023-24602Network attack vector

Session hijacking via unsanitized Tumblr feed content

Published May 29, 2023 · Updated Jan 14, 2025

Stored XSS in the Tumblr portal widget in OX App Suite frontend 7.10.6-rev23 and 8.6 allows remote attackers to execute script code. The widget evaluates post titles and other untrusted Tumblr feed content as HTML instead of inserting it as plain text. Exploitation requires account access, a compromised Tumblr feed, or victim inclusion of a malicious feed and enables session hijacking or unwanted account actions.

CVSS severity4.6
Medium
EPSS probability0.43%
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 the Tumblr portal widget in OX App Suite frontend 7.10.6-rev23 and 8.6 allows remote attackers to execute script code. The widget evaluates post titles and other untrusted Tumblr feed content as HTML instead of inserting it as plain text. Exploitation requires account access, a compromised Tumblr feed, or victim inclusion of a malicious feed and enables session hijacking or unwanted account actions.

The record

CVE
CVE-2023-24602
Published
May 29, 2023
Updated
Jan 14, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-80, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 29, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 14, 2025Record 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

4.6Open-Xchange GmbHCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/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 exploitUnconfirmed

Weakness, pattern, technique

CWE-80Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic 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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