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TI-2026-75059 Aliases CVE-2026-111278

CAPTCHA bypass in NivoCart exposes answer in page HTML

Priority LOW 36CWE-804Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

NivoCart through 2.5.1 contains a CAPTCHA bypass flaw (CWE-804) where the expected code is printed as plain text in the HTML. An unauthenticated remote attacker can read the captcha_image value from protected forms and submit it, automating spam, registrations, reviews, and account deletion requests.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

NivoCart through 2.5.1 contains a CAPTCHA bypass vulnerability that allows unauthenticated attackers to defeat form protection because the expected code is printed as plain text in the HTML. Attackers can fetch protected forms, extract the captcha_image value with a pattern match, and submit it to automate spam, registrations, reviews, and account deletion requests.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00321 25th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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
nivocartnivocartup to 2.5.1—No fix listedCNA
  • nivocart Vendornivocart Affected up to 2.5.1 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for NivoCart.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-16 Threatist record created from CVE-2026-111278
  2. 2026-10-16 Priority changed: MEDIUM → LOW
  3. 2026-10-16 CISA SSVC decision points changed

References

Other 4

  • TI-2026-75058 Missing authorization in NivoCart exposes guest order invoices CVSS 4.0HIGH 8.7
  • TI-2026-63323 NivoCart through 2.4.0 Predictable Administrator Password Reset Token CVSS 4.0CRITICAL 9.2
  • TI-2026-63320 NivoCart through 2.4.0 Arbitrary File Upload RCE via filemanager CVSS 4.0HIGH 8.7
  • TI-2026-63321 NivoCart through 2.4.0 Destructive Configuration Write via the Password Reset Controller CVSS 4.0MEDIUM 6.9

Sources

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