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Medium 5.4Published Oct 29, 2026

CVE-2026-115299Contact Form by Supsystic < 1.11.1 - Arbitrary Plugin Settings Update via CSRF

Updated under an hour ago ()

Does this affect you?

It affects Unknown Contact Form by Supsystic. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

The Contact Form by Supsystic WordPress plugin before 1.11.1 does not verify a CSRF nonce before saving its mail settings, allowing an attacker to overwrite the site's outbound mail configuration, including the SMTP server, its credentials and the notification recipient, by tricking a logged-in administrator into visiting a crafted page, which can route the Contact Form by Supsystic WordPress plugin before 1.11.1's contact-form notifications through infrastructure the attacker controls.

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CVSS
5.4 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Weakness (CWE)
CWE-352
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
WPScan
NVD analysis
Deferred
Record last updated
Oct 29, 2026
First seen by InfoSec Signals
Oct 29, 2026

Affected products

Affected products
Unknown Contact Form by Supsystic
unknown:contact_form_by_supsystic (from the name)
before 1.11.1
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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