Is CVE-2023-26326 in the CISA KEV catalog?

No. CVE-2023-26326 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-26326?

CVE-2023-26326 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2023-26326?

CVE-2023-26326 has an EPSS score of 3.82% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-26326?

Upgrade buddyforms to 2.7.8 or later.

CVE & CISA-KEV Catalog

CVE-2023-26326

CRITICALEPSS 89th pctl

9.8

CVSS v3

NVD

Description

The BuddyForms WordPress plugin, in versions prior to 2.7.8, was affected by an unauthenticated insecure deserialization issue. An unauthenticated attacker could leverage this issue to call files using a PHAR wrapper that will deserialize the data and call arbitrary PHP Objects that can be used to perform a variety of malicious actions granted a POP chain is also present.

CWE-502Deserialization of Untrusted Data

How to fix

Remediation Available

buddyformsNVD

Affected:< 2.7.8Fixed in:2.7.8CVE-2023-26326derived 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 RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

3.82%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Exploit1

tenable.com

Related Vulnerabilities

Other CWE-502 (Deserialization of Untrusted Data) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-0669	High	7.2	100%	KEV + Ransom	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-35464	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-29300	Critical	9.8	100%	KEV + Ransom	-
CVE-2025-53770	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2022-47986	Critical	9.8	100%	KEV + Ransom	-

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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 2024-11-21.