How severe is CVE-2026-52703?

CVE-2026-52703 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-52703 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-52703?

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-2026-52703 have an EU (EUVD) identifier?

Yes. CVE-2026-52703 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37004.

When was CVE-2026-52703 published?

CVE-2026-52703 was published on 2026-06-15 and last updated on 2026-06-17.

CVE-2026-52703

CVE-2026-52703 is a critical-severity vulnerability with a CVSS 3.x base score of 9.6. 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-35.

Key facts

Severity: Critical (CVSS 3.x base score 9.6)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-37004
Weakness: CWE-35
Published: 2026-06-15
Last modified: 2026-06-17

Description

Unauthenticated Path Traversal in FastDup <= 2.7.2 versions.

Frequently asked questions

What is CVE-2026-52703?: Unauthenticated Path Traversal in FastDup <= 2.7.2 versions.
How severe is CVE-2026-52703?: CVE-2026-52703 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-52703 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-52703?: 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-2026-52703 have an EU (EUVD) identifier?: Yes. CVE-2026-52703 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37004.
When was CVE-2026-52703 published?: CVE-2026-52703 was published on 2026-06-15 and last updated on 2026-06-17.

References

https://patchstack.com/database/wordpress/plugin/fastdup/vulnerability/wordpress-fastdup-plugin-2-7-2-path-traversal-vulnerability?_s_id=cve

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