How severe is CVE-2024-33553?

CVE-2024-33553 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-33553 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-33553?

CVE-2024-33553 affects 8theme Xstore Core. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-33553?

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-2024-33553 have an EU (EUVD) identifier?

Yes. CVE-2024-33553 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-31290.

When was CVE-2024-33553 published?

CVE-2024-33553 was published on 2024-04-29 and last updated on 2026-06-17.

CVE-2024-33553

CVE-2024-33553 is a critical-severity vulnerability in 8theme Xstore Core with a CVSS 3.x base score of 9.0. 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 9.0)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-31290
Weakness: CWE-502
Affected product: 8theme Xstore Core
Published: 2024-04-29
Last modified: 2026-06-17

Description

Deserialization of Untrusted Data vulnerability in 8theme XStore Core.This issue affects XStore Core: from n/a through 5.3.5.

Frequently asked questions

What is CVE-2024-33553?: Deserialization of Untrusted Data vulnerability in 8theme XStore Core.This issue affects XStore Core: from n/a through 5.3.5.
How severe is CVE-2024-33553?: CVE-2024-33553 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-33553 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-33553?: CVE-2024-33553 affects 8theme Xstore Core. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-33553?: 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-2024-33553 have an EU (EUVD) identifier?: Yes. CVE-2024-33553 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-31290.
When was CVE-2024-33553 published?: CVE-2024-33553 was published on 2024-04-29 and last updated on 2026-06-17.

References

https://patchstack.com/database/vulnerability/et-core-plugin/wordpress-xstore-core-plugin-5-3-5-unauthenticated-php-object-injection-vulnerability?_s_id=cve

Affected products (1)

cpe:2.3:a:8theme:xstore_core:*:*:*:*:*:wordpress:*:*

More vulnerabilities in 8theme Xstore Core

CVE-2024-33552 — Critical (CVSS 9.8): Improper Privilege Management vulnerability in 8theme XStore Core allows Privilege Escalation.This issue affects XStore…
CVE-2024-33551 — Critical (CVSS 9.3): Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in 8theme XStore…
CVE-2024-33557 — High (CVSS 8.5): Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in 8theme XStore Core…
CVE-2024-33556 — High (CVSS 8.2): Unrestricted Upload of File with Dangerous Type vulnerability in 8theme XStore Core.This issue affects XStore Core:…
CVE-2024-33555 — High (CVSS 8.1): Missing Authorization vulnerability in 8theme XStore Core.This issue affects XStore Core: from n/a through 5.3.8.
CVE-2024-33554 — High (CVSS 7.1): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in 8theme XStore…

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