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CVE-2026-124270VulnerabilityPublished

Basix NEX-Forms · Cross-site Scripting

Source GCVE Database

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Authoritative record:CVE-2026-124270· High 7.1

Not known to be exploited · CVSS 7.1 High : upgrade to 9.3.4 soon.

Data as of 15 Nov 2026, 16:40 UTC

CVSS 3.1 base score
7.1High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (Patchstack)CVSS 3.17.1
Patch
Available – fixed in 9.3.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 15 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 14 Nov 2026.

What to do

Upgrade NEX-Forms to 9.3.4.

Affected software

ProductAffectedFixed in
NEX-Formsnex-forms-express-wp-form-builderAffected
  • <9.3.4
Fixed in
  • 9.3.4

AI-suggested

Since the vulnerability is reflected XSS, mitigation typically involves proper input validation and output encoding on the affected web pages. If you cannot patch yet, applying web application firewalls or input filtering may help reduce risk.

Description

A reflected Cross-site Scripting (XSS) vulnerability exists in Basix NEX-Forms nex-forms-express-wp-form-builder up to version 9.3.3. This vulnerability involves improper neutralization of input during web page generation, allowing attackers to inject malicious scripts that can execute in users' browsers.

References

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