CVE-2023-30148Known exploitationNetwork attack vector

Stored XSS via unsanitized HTML block fields

Published Oct 14, 2023 · Updated Sep 17, 2024

Stored XSS in Opart opartmultihtmlblock before 2.0.12 allows remote authenticated users to inject scripts into storefront pages. The admin configuration path stores body_text or body_text_rude content without isCleanHtml validation, and display hooks render it without sanitization. Back-office administrative access or a separate database-injection path is required; browser execution can alter payment pages and expose technical or personal data.

CVSS severity5.4
Medium
EPSS probability0.39%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Opart opartmultihtmlblock before 2.0.12 allows remote authenticated users to inject scripts into storefront pages. The admin configuration path stores body_text or body_text_rude content without isCleanHtml validation, and display hooks render it without sanitization. Back-office administrative access or a separate database-injection path is required; browser execution can alter payment pages and expose technical or personal data.

The record

CVE
CVE-2023-30148
Published
Oct 14, 2023
Updated
Sep 17, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1056.003
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Feb 10, 2023Exploitation reportedMalicious payment-page code injection
  2. Oct 14, 2023CVE publishedPublication date reported by the CVE source.
  3. Sep 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 privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.1MITRECVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
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
Privilegesadmin
Known exploitationReported
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1056.003Input Capture: Web Portal Capture

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.

Reported exploitation

Technologies

Your stack

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Your stack

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