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Fencer Intel
no cvss —

CVE-2026-123044 json

ContentPen < 1.1.1 - Unauthenticated Stored XSS via API Key Disclosure

published 4h ago modified 4h ago also EUVD-2026-124279

cvss
—
not scored
cisa kev
Not listed
not in CISA's catalog
epss
—
no EPSS score yet
public exploits
0
none known

Summary

The ContentPen WordPress plugin before 1.1.1 discloses its REST API key to unauthenticated users, who can then use it to create posts containing unfiltered JavaScript, leading to Stored XSS that executes in the browser of any visitor, including administrators.

Patch / fix

  • Unknown ContentPen 1.1.1

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Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/646b9448-ee17-4852-8f42-c086625e5983/ referenced PoC, tagged "exploit" by a source, unverified

Affected products

  • Unknown ContentPen

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
Technology feeds

References

Sources

Fencer Intel 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.