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TI-2022-26410 Aliases CVE-2022-50958GHSA-9j3h-j388-8ghx

WordPress Plugin Jetpack 9.1 Cross Site Scripting via grunion-form-view.php

Priority MEDIUM 56CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Active
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

WordPress Plugin Jetpack 9.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by manipulating the post_id parameter. Attackers can craft URLs to the grunion-form-view.php endpoint with script payloads in the post_id parameter to execute arbitrary JavaScript in victim browsers.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00204 10th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
jetpackJetpack9.1—No fix listedCNA
  • Jetpack Vendorjetpack Affected 9.1 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-50958
  2. 2026-10-03 Alias added: GHSA-9j3h-j388-8ghx

References

Exploit 1

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences