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CVE-2026-77009

CRITICALCVSS 9.9/10EPSS 0.29%

Last modified

CVE-2026-77009 is a critical-severity vulnerability rated 9.9/10 on the CVSS scale. The WatchMan-Site7 WordPress plugin through 4.2.0 does not restrict access to its debugging console, which executes user-supplied PHP code, allowing any authenticated user, such as a subscriber, to run arbitrary code on the server.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

Description

The WatchMan-Site7 WordPress plugin through 4.2.0 does not restrict access to its debugging console, which executes user-supplied PHP code, allowing any authenticated user, such as a subscriber, to run arbitrary code on the server.

Metrics

CVSS 3.1
9.9/10

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

EPSS Probability
0.29%

20.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
UnknownWatchMan-Site7>= 3.1.1, <= 4.2.0

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-77009?
The WatchMan-Site7 WordPress plugin through 4.2.0 does not restrict access to its debugging console, which executes user-supplied PHP code, allowing any authenticated user, such as a subscriber, to run arbitrary code on the server.
How severe is CVE-2026-77009?
CVE-2026-77009 has a CVSS score of 9.9/10 (CRITICAL severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.
How do I fix CVE-2026-77009?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST