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VulnerabilityPublished

CVE-2025-24289: Ubiquiti UCRM Client Signup Plugin · Cross-Site Request Forgery

Affects Ubiquiti UCRM Client Signup PluginSource CVE Database V5

0

Not known to be exploited · CVSS 7.5 High : upgrade to 1.3.5 soon.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.0 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 5% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 1.3.5
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Jun 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: 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 26 Oct 2026.

What to do

Upgrade Ubiquiti UCRM Client Signup Plugin to 1.3.5.

Affected software

ProductAffectedFixed in
Ubiquiti Inc UCRM Client Signup PluginAffected
  • =1.3.5
  • <1.3.5
Fixed in
  • 1.3.5

AI-suggested

  1. Immediately verify if the UCRM Client Signup Plugin is enabled in your environment. If it is not required, disable it to eliminate the attack surface.
  2. 3. Implement strict administrative browsing policies to restrict administrators from visiting untrusted or external websites, reducing the risk of CSRF/XSS exploitation via malicious pages. 4. Employ Content Security Policy (CSP) headers and other web application security controls to mitigate the impact of XSS attacks. 5. Conduct targeted phishing awareness training for administrators and IT staff to recognize and avoid malicious links or pages. 6. Monitor logs for unusual administrative activity or signs of exploitation attempts. 7. Consider network segmentation and access controls to limit the exposure of UCRM administrative interfaces to trusted networks only. 8. Regularly audit plugin usage and configurations to ensure compliance with security best practices.

Description

A Cross-Site Request Forgery (CSRF) leading to Cross-Site Scripting (XSS) vulnerability in the UCRM Client Signup Plugin (v1.3.4 and earlier) could allow privilege escalation if an Administrator is tricked into visiting a crafted malicious page. The plugin is disabled by default.

References

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