CVE-2007-0519: Cross-site scripting (XSS) vulnerability in memcp.php in XMB U2U Instant Messenger allows remote authenticated
CVE-2007-0519 is a low-severity flaw (CVSS 3.5) affecting u2u instant messenger. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Cross-site scripting (XSS) vulnerability in memcp.php in XMB U2U Instant Messenger allows remote authenticated users to inject arbitrary web script or HTML via the recipient field.
Why this priority
- No elevated risk signals yet
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 3.5 (Low) |
| EPSS exploit chance | 1.4% (top 28%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2007-01-26 |
| Last modified | 2026-06-16 |
Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2007-0519?
u2u instant messenger: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2007-0519 being exploited?
CVE-2007-0519 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2007-0519 affect?
CVE-2007-0519 affects u2u instant messenger. Severity is low (CVSS 3.5). Cross-site scripting (XSS) vulnerability in memcp.php in XMB U2U Instant Messenger allows remote authenticated users to inject arbitrary web script or HTML via the recipient field.
How urgent is CVE-2007-0519?
Priority 30/100. No elevated risk signals yet.