CVE-2023-30435Network attack vector

Credential disclosure via stored Web UI JavaScript

Published Aug 27, 2023 · Updated Oct 1, 2024

Stored XSS in the Web UI of IBM Security Guardium 11.3 through 11.5 allows remote authenticated users to disclose session credentials. IBM has not published the affected Web UI field, request handler, or missing output-encoding operation. Exploitation requires a user to store JavaScript and another user to interact with the resulting content in a trusted session, where the script can alter the interface and access credentials.

CVSS severity8.9
High
EPSS probability0.42%
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 Web UI of IBM Security Guardium 11.3 through 11.5 allows remote authenticated users to disclose session credentials. IBM has not published the affected Web UI field, request handler, or missing output-encoding operation. Exploitation requires a user to store JavaScript and another user to interact with the resulting content in a trusted session, where the script can alter the interface and access credentials.

The record

CVE
CVE-2023-30435
Published
Aug 27, 2023
Updated
Oct 1, 2024
Vendor
IBM
Product
IBM Security Guardium
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 27, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 1, 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?

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

  1. Affected versionversion=11.3
  2. Affected versionversion=11.3, 11.4, 11.5
  3. Affected versionversion=11.4
  4. Affected versionversion=11.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

IBM · IBM Security Guardiumversion=11.3; version=11.3, 11.4, 11.5; version=11.4; version=11.5

Published CVSS scores

8.9IBM CorporationCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
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 exploitUnconfirmed

Weakness, pattern, technique

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

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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