CVE-2025-66484: IBM Aspera Shares · Cross-site Scripting
Affects IBM Aspera SharesSource CVE Database V5
Not known to be exploited · CVSS 5.5 Medium.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 9% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 1 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 30 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| IBMAspera Shares | Affected
| Fixed in– |
CPE configurations (2)
cpe:2.3:a:ibm:aspera_shares:1.9.9:*:*:*:*:*:*:*cpe:2.3:a:ibm:aspera_shares:1.11.0:*:*:*:*:*:*:*
AI-suggested
Until an official fix is available, consider restricting access to affected versions and monitoring for suspicious activity related to web UI interactions. Avoid exposing the affected versions to untrusted users. Follow IBM's updates for any forthcoming patches or mitigation instructions.
Description
IBM Aspera Shares versions 1.9.9 through 1.11.0 contain a stored cross-site scripting (XSS) vulnerability. This flaw allows an attacker to embed arbitrary JavaScript code in the web user interface, which can alter intended functionality and potentially lead to the disclosure of credentials within a trusted session. The vulnerability has a medium severity rating with a CVSS score of 5.5. There is no information about an available patch or official remediation from IBM at this time. No known exploits are reported in the wild.