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Fencer Vulns
medium 4.8

CVE-2026-80439 json

Redirection for Contact Form 7 2.2.7 - 3.2.10 - Unauthenticated Arbitrary Shortcode Execution via Action Setting Mail-Tags

published 2026-09-06 2 mo ago modified 2026-09-08 2 mo ago also EUVD-2026-72091

cvss
4.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 15%
public exploits
0
none known

Summary

The Redirection for Contact Form 7 WordPress plugin from 2.2.7 before 3.2.11 does not prevent shortcodes in submitted form values from being executed when it substitutes those values into an action's settings and then processes those settings for shortcodes, allowing unauthenticated users to run any shortcode registered on the site and read its output.

Patch / fix

  • Unknown Redirection for Contact Form 7 3.2.11

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 mo ago

Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/96562897-f18c-45d3-9f31-0e40e8df1383/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected products

  • Unknown Redirection for Contact Form 7

Classification

Weakness
  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.