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Cloud Blocks <= 1.1.8 - Unauthenticated Stored XSS

Exploited
No known exploitation
Fix
No fix listed
Who is exposed
Not reported
Published
Last modified
0.17% · 6th percentile
5/100 · provisional
None on Exploit-DB, Metasploit or GitHub

Summary

The Cloud Blocks WordPress plugin is affected by an unauthenticated stored cross-site scripting flaw. Because the plugin stores block asset URLs without any authorization or sanitization, an attacker can plant malicious scripts that run in the browser of an administrator or other privileged user when they open the block editor.

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

Read the original description

The Cloud Blocks WordPress plugin through 1.1.8 does not perform any authorisation or sanitisation when storing block asset URLs, allowing unauthenticated users to store malicious scripts that are executed in the browser of any privileged user, such as an administrator, who opens the block editor.

cve.now Index

5Pcve.now Index 5 of 100 · methodology v3 · provisional
  • Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
  • Exposure?/25Unknown. No advisory context yet
  • Reach?/20Unknown. No tracked technology or package matched
  • Severity?/10Unknown. No CVSS score or vendor rating
  • No patch5/5No patch listed yet

What would change the score

  • Would score about 60 if added to CISA KEV
  • Would score about 55 if CISA's SSVC rates exploitation active
  • Would score about 27 if advisories confirm default setups are exposed

Timeline

  1. CVE published
  2. First seen by cve.now

Affected versions

  • Unknown Cloud Blocks

    through 1.1.8

Evidence 1

  1. Exploit

Corrections

None so far.

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Questions about CVE-2025-15702

Is CVE-2025-15702 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

Which versions are affected by CVE-2025-15702?

Cloud Blocks: through 1.1.8.Source: cve.now feed data