How severe is CVE-2023-26326?

CVE-2023-26326 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-26326 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26326?

CVE-2023-26326 affects Themekraft Buddyforms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-26326?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-26326 published?

CVE-2023-26326 was published on 2023-02-23 and last updated on 2026-06-17.

CVE-2023-26326

CVE-2023-26326 is a critical-severity vulnerability in Themekraft Buddyforms with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Themekraft Buddyforms
Published: 2023-02-23
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-26326?: 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.
How severe is CVE-2023-26326?: CVE-2023-26326 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-26326 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26326?: CVE-2023-26326 affects Themekraft Buddyforms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26326?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-26326 published?: CVE-2023-26326 was published on 2023-02-23 and last updated on 2026-06-17.

References

https://www.tenable.com/security/research/tra-2023-7

Affected products (1)

cpe:2.3:a:themekraft:buddyforms:*:*:*:*:*:wordpress:*:*

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