How severe is CVE-2023-49778?

CVE-2023-49778 has a CVSS 3.x base score of 10.0, 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-2023-49778 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-2023-49778?

CVE-2023-49778 affects Dmry Sayfa Sayac. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-49778?

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-2023-49778 published?

CVE-2023-49778 was published on 2023-12-21 and last updated on 2026-06-17.

CVE-2023-49778

CVE-2023-49778 is a critical-severity vulnerability in Dmry Sayfa Sayac with a CVSS 3.x base score of 10.0. 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 10.0)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Dmry Sayfa Sayac
Published: 2023-12-21
Last modified: 2026-06-17

Description

Deserialization of Untrusted Data vulnerability in Hakan Demiray Sayfa Sayac.This issue affects Sayfa Sayac: from n/a through 2.6.

Frequently asked questions

What is CVE-2023-49778?: Deserialization of Untrusted Data vulnerability in Hakan Demiray Sayfa Sayac.This issue affects Sayfa Sayac: from n/a through 2.6.
How severe is CVE-2023-49778?: CVE-2023-49778 has a CVSS 3.x base score of 10.0, 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-2023-49778 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-2023-49778?: CVE-2023-49778 affects Dmry Sayfa Sayac. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-49778?: 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-2023-49778 published?: CVE-2023-49778 was published on 2023-12-21 and last updated on 2026-06-17.

References

https://patchstack.com/database/vulnerability/sayfa-sayac/wordpress-sayfa-sayac-plugin-2-6-unauthenticated-php-object-injection-vulnerability?_s_id=cve

Affected products (1)

cpe:2.3:a:dmry:sayfa_sayac:*:*:*:*:*:wordpress:*:*

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