CVE-2025-66486: IBM Aspera Shares · Basic XSS
Affects IBM Aspera SharesSource CVE Database V5
Not known to be exploited · CVSS 4.8 Medium.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 16% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/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 released, organizations should consider limiting access to affected versions and exercising caution with user-generated content in IBM Aspera Shares. Monitor IBM's security advisories for updates on patches or official mitigations.
Description
IBM Aspera Shares 1.9.9 through 1.11.0 is vulnerable to HTML injection. A remote attacker could inject malicious HTML code, which when viewed, would be executed in the victim's Web browser within the security context of the hosting site.