How severe is CVE-2026-1540?

CVE-2026-1540 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-2026-1540 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-1540?

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.

Does CVE-2026-1540 have an EU (EUVD) identifier?

Yes. CVE-2026-1540 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18128.

When was CVE-2026-1540 published?

CVE-2026-1540 was published on 2026-04-02 and last updated on 2026-06-17.

CVE-2026-1540

CVE-2026-1540 is a high-severity vulnerability with a CVSS 3.x base score of 7.2. 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-94.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-18128
Weakness: CWE-94
Published: 2026-04-02
Last modified: 2026-06-17

Description

The Spam Protect for Contact Form 7 WordPress plugin before 1.2.10 allows logging to a PHP file, which could allow an attacker with editor access to achieve Remote Code Execution by using a crafted header

Frequently asked questions

What is CVE-2026-1540?: The Spam Protect for Contact Form 7 WordPress plugin before 1.2.10 allows logging to a PHP file, which could allow an attacker with editor access to achieve Remote Code Execution by using a crafted header
How severe is CVE-2026-1540?: CVE-2026-1540 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-2026-1540 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-1540?: 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.
Does CVE-2026-1540 have an EU (EUVD) identifier?: Yes. CVE-2026-1540 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18128.
When was CVE-2026-1540 published?: CVE-2026-1540 was published on 2026-04-02 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/ad00d1bb-ea8d-44a3-9064-6412804d9e95/

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