How severe is CVE-2023-1669?

CVE-2023-1669 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-2023-1669 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-1669?

CVE-2023-1669 affects Seopress. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-1669?

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.

When was CVE-2023-1669 published?

CVE-2023-1669 was published on 2023-05-02 and last updated on 2026-06-17.

CVE-2023-1669

CVE-2023-1669 is a high-severity vulnerability in Seopress with a CVSS 3.x base score of 7.2. Its EPSS exploit-prediction score of 19% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-502.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 19% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Seopress
Published: 2023-05-02
Last modified: 2026-06-17

Description

The SEOPress WordPress plugin before 6.5.0.3 unserializes user input provided via the settings, which could allow high-privilege users such as admin to perform PHP Object Injection when a suitable gadget is present.

Frequently asked questions

What is CVE-2023-1669?: The SEOPress WordPress plugin before 6.5.0.3 unserializes user input provided via the settings, which could allow high-privilege users such as admin to perform PHP Object Injection when a suitable gadget is present.
How severe is CVE-2023-1669?: CVE-2023-1669 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-2023-1669 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-1669?: CVE-2023-1669 affects Seopress. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-1669?: 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.
When was CVE-2023-1669 published?: CVE-2023-1669 was published on 2023-05-02 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/fb8791f5-2879-431e-9afc-06d5839e4b9d

Affected products (1)

cpe:2.3:a:seopress:seopress:*:*:*:*:*:wordpress:*:*

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