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WordPress iubenda plugin <= 3.13.6 - Denial of Service Attack vulnerability

7.5HighCNA
Exploited
No known exploitation
Fix
Fixed in 3.13.7
Who is exposed
Not reported

Do first: Upgrade to a fixed version: 3.13.7.

Published
Last modified
28/100 · provisional
Unclear
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

The iubenda cookie-law plugin for WordPress is affected by a resource-exhaustion flaw that lets an attacker make the site unavailable through denial of service. It can be reached remotely over the network without logging in.

Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.

Read the original description

Allocation of Resources Without Limits or Throttling vulnerability in iubenda iubenda iubenda-cookie-law-solution allows HTTP DoS.This issue affects iubenda: from n/a through 3.13.6.

cve.now Index

28Pcve.now Index 28 of 100 · methodology v3 · provisional
  • Exploitation0/40No signal
  • Exposure20/25No login or user action needed, CISA rates it automatable · Unknown: Advisories don't say whether default setups are affected
  • Reach?/20Unknown. No tracked technology or package matched
  • Severity7.5/10CVSS 7.5
  • No patch0/5No signal

What would change the score

  • Would score about 73 if added to CISA KEV
  • Would score about 68 if CISA's SSVC rates exploitation active
  • Would score about 33 if advisories confirm default setups are exposed

What to do

  • Upgrade to a fixed version: 3.13.7.

Timeline

  1. CVE published
  2. First seen by cve.now
  3. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  4. Record last updated

Affected versions

  • iubenda-cookie-law-solution

    through 3.13.6

Evidence 1

  1. Link

Corrections

None so far.

Something wrong on this page? Report an error. Every fix is listed here.

Questions about CVE-2026-120854

Is CVE-2026-120854 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data

What does this mean?

The iubenda plugin for WordPress can be abused to overwhelm a site with requests, so it becomes slow or goes offline. This is a denial of service flaw.Source: patchstack.com

Which versions are affected by CVE-2026-120854?

iubenda-cookie-law-solution: through 3.13.6.Source: cve.now feed data

Am I affected, and how do I check?

Versions of the iubenda WordPress plugin up to and including 3.13.6 are affected. To check, look at the plugin version shown on the WordPress Plugins screen or in the plugin's header in the plugin folder.Source: patchstack.com

How do I fix CVE-2026-120854?

Update the iubenda plugin to version 3.13.7 or later, which the advisory says resolves the vulnerability.Source: patchstack.com