Is CVE-2023-2964 in the CISA KEV catalog?

No. CVE-2023-2964 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-2964?

CVE-2023-2964 has a CVSS v3 base score of 5.4 (MEDIUM).

What is the EPSS score for CVE-2023-2964?

CVE-2023-2964 has an EPSS score of 0.45% (36th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-2964?

Upgrade simple iframe to 1.2.0 or later.

CVE & CISA-KEV Catalog

CVE-2023-2964

MEDIUM

5.4

CVSS v3

NVD

Description

The Simple Iframe WordPress plugin before 1.2.0 does not properly validate one of its WordPress block attribute's content, which may allow users whose role is at least that of a contributor to conduct Stored Cross-Site Scripting attacks.

How to fix

Remediation Available

simple iframeNVD

Affected:< 1.2.0Fixed in:1.2.0CVE-2023-2964derived 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 RequiredLow

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.45%probability of exploitation in 30 days

36thpercentile

Low risk: more likely to be exploited than 36% of all known CVEs.

References

Exploit1

wpscan.com

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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 2025-04-23.