How severe is CVE-2022-2440?

CVE-2022-2440 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-2440 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-2440?

CVE-2022-2440 affects Themeeditor Theme Editor. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-2440?

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

Does CVE-2022-2440 have an EU (EUVD) identifier?

Yes. CVE-2022-2440 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-34701.

When was CVE-2022-2440 published?

CVE-2022-2440 was published on 2024-08-29 and last updated on 2026-06-17.

CVE-2022-2440

CVE-2022-2440 is a high-severity vulnerability in Themeeditor Theme Editor with a CVSS 3.x base score of 7.2. 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: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2022-34701
Weakness: CWE-502
Affected product: Themeeditor Theme Editor
Published: 2024-08-29
Last modified: 2026-06-17

Description

The Theme Editor plugin for WordPress is vulnerable to deserialization of untrusted input via the 'images_array' parameter in versions up to, and including 2.8. This makes it possible for authenticated attackers with administrative privileges to call files using a PHAR wrapper that will deserialize and call arbitrary PHP Objects that can be used to perform a variety of malicious actions granted a POP chain is also present. It also requires that the attacker is successful in uploading a file with the serialized payload.

Frequently asked questions

What is CVE-2022-2440?: The Theme Editor plugin for WordPress is vulnerable to deserialization of untrusted input via the 'images_array' parameter in versions up to, and including 2.8. This makes it possible for authenticated attackers with administrative privileges to call files using a PHAR wrapper that will deserialize and call arbitrary PHP Objects that can be used to perform a variety of malicious actions granted a POP chain is also present. It also requires that the attacker is successful in uploading a file with the serialized payload.
How severe is CVE-2022-2440?: CVE-2022-2440 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-2440 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-2440?: CVE-2022-2440 affects Themeeditor Theme Editor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-2440?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2022-2440 have an EU (EUVD) identifier?: Yes. CVE-2022-2440 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-34701.
When was CVE-2022-2440 published?: CVE-2022-2440 was published on 2024-08-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:themeeditor:theme_editor:*:*:*:*:*:wordpress:*:*

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