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01 Record

CVE-2026-110721

NotificationX <= 3.3.3 - Missing Authorization to Unauthenticated Arbitrary Content Injection via 'nx_id' Parameter on /popup-submit REST Route

MediumPUBLISHEDCNA: Wordfence
CNA base score5.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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02 Description

NotificationX <= 3.3.3 - Missing Authorization to Unauthenticated Arbitrary Content Injection via 'nx_id' Parameter on /popup-submit REST Route

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.24% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 15.5% of scored records. A rank, not a probability.
NVD base score
5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD analysis status
Deferred. NVD last modified this record on 2026-10-16.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-16 04:27Z13 DAYS AGO
Last updated
2026-10-16 15:09Z12 DAYS AGO
Reserved
2026-10-14
Assigning CNA
Wordfence
Record state
PUBLISHED
Severity
Medium (CVSS 5.3)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weaknesses
Data version
5.2
Document digest
b38dc514a8bc05a7da442d1181eb9718e642b64f9475c39a974bc5339c0d466a

05 Affected products

VendorProductVersionsPlatforms
wpdevteamNotificationX – FOMO, Live Sales Notification, WooCommerce Sales Popup, GDPR, Social Proof, Announcement Banner & Floating Notification Bar0 to 3.3.3—

06 References