CVE-2026-121873: Access Control Flaw (CVSS 5.3)

Description

The Redirection for Contact Form 7 WordPress plugin before 3.2.16 does not verify ownership of the email address supplied through its data request form action and by default records the resulting request as already confirmed, allowing unauthenticated visitors to create verified WordPress personal data erasure or export requests for addresses they do not control.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS — Exploit Prediction

0.0024

Probability of exploitation

0.15%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-284 CWE-284

References

Other References

https://wpscan.com/vulnerability/543fa273-943b-40f6-bcdf-84ca800fa46b/

Frequently Asked Questions

What is CVE-2026-121873? +

The Redirection for Contact Form 7 WordPress plugin before 3.2.16 does not verify ownership of the email address supplied through its data request form action and by default records the resulting request as already confirmed, allowing unauthenticated visitors to create verified WordPress personal data erasure or export requests for addresses they do not control. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-121873? +

CVE-2026-121873 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0024, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-121873? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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