CVE-2024-42210: HCLSoftware Unica Marketing Operations (Plan) · Cross-site Scripting
Affects HCLSoftware Unica Marketing Operations (Plan)Source CVE Database V5
Not known to be exploited · CVSS 7.6 High.
Data as of 31 Oct 2026, 08:20 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 7% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 19 Mar 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 |
|---|---|---|
| HCLSoftwareUnica Marketing Operations (Plan) | Affected
| Fixed in– |
AI-suggested
To mitigate CVE-2024-42210, organizations should immediately upgrade HCL Unica Marketing Operations to a version that addresses this vulnerability once available. In the absence of a patch, implement strict input validation and output encoding on all user-supplied data, especially in web page generation contexts. Employ Content Security Policy (CSP) headers to restrict script execution and reduce the impact of potential XSS payloads. Limit privileges within the application to the minimum necessary to reduce the risk of exploitation by insiders or compromised accounts. Conduct regular security audits and penetration testing focused on XSS vulnerabilities. Educate users about the risks of interacting with suspicious links or content within the platform. Monitor logs for unusual activity that may indicate attempted exploitation. Consider deploying web application firewalls (WAFs) with rules targeting XSS attack patterns specific to HCL Unica. Finally, maintain an incident response plan to quickly address any detected exploitation attempts.
Description
A Stored cross-site scripting (XSS) vulnerability affects HCL Unica Marketing Operations v12.1.8 and lower. Stored cross-site scripting (also known as second-order or persistent XSS) arises when an application receives data from an untrusted source and includes that data within its later HTTP responses in an unsafe way.