Is CVE-2023-30148 in the CISA KEV catalog?

No. CVE-2023-30148 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-30148?

CVE-2023-30148 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2023-30148?

CVE-2023-30148 has an EPSS score of 0.39% (31th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-30148?

Upgrade multi html block to 2.0.12 or later.

CVE & CISA-KEV Catalog

CVE-2023-30148

MEDIUM

6.1

CVSS v3

NVD

Description

Multiple Stored Cross Site Scripting (XSS) vulnerabilities in Opart opartmultihtmlblock before version 2.0.12 and Opart multihtmlblock* version 1.0.0, allows remote authenticated users to inject arbitrary web script or HTML via the body_text or body_text_rude field in /sourcefiles/BlockhtmlClass.php and /sourcefiles/blockhtml.php.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

multi html blockNVD

Affected:< 2.0.12Fixed in:2.0.12CVE-2023-30148derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N

Exploit Intelligence

0.39%probability of exploitation in 30 days

31stpercentile

Low risk: more likely to be exploited than 31% of all known CVEs.

References

Patch1

security.friendsofpresta.org

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

Embed a live status badge for CVE-2023-30148

Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-12.