How severe is CVE-2025-3623?

CVE-2025-3623 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2025-3623 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-3623?

CVE-2025-3623 affects Uncannyowl Uncanny Automator. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-3623?

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.

Does CVE-2025-3623 have an EU (EUVD) identifier?

Yes. CVE-2025-3623 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14637.

When was CVE-2025-3623 published?

CVE-2025-3623 was published on 2025-05-14 and last updated on 2026-06-17.

CVE-2025-3623

CVE-2025-3623 is a critical-severity vulnerability in Uncannyowl Uncanny Automator with a CVSS 3.x base score of 9.1. 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 9.1)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-14637
Weakness: CWE-502
Affected product: Uncannyowl Uncanny Automator
Published: 2025-05-14
Last modified: 2026-06-17

Description

The Uncanny Automator plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 6.4.0.1 via deserialization of untrusted input in the automator_api_decode_message() function. This makes it possible for unauthenticated to inject a PHP Object. The additional presence of a POP chain allows attackers to delete arbitrary files.

Frequently asked questions

What is CVE-2025-3623?: The Uncanny Automator plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 6.4.0.1 via deserialization of untrusted input in the automator_api_decode_message() function. This makes it possible for unauthenticated to inject a PHP Object. The additional presence of a POP chain allows attackers to delete arbitrary files.
How severe is CVE-2025-3623?: CVE-2025-3623 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2025-3623 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3623?: CVE-2025-3623 affects Uncannyowl Uncanny Automator. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3623?: 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.
Does CVE-2025-3623 have an EU (EUVD) identifier?: Yes. CVE-2025-3623 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14637.
When was CVE-2025-3623 published?: CVE-2025-3623 was published on 2025-05-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:uncannyowl:uncanny_automator:*:*:*:*:*:wordpress:*:*

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