PatchTheCVECVE-2018-16249: In Symphony before 3.3.0, there is XSS in the Title under Post
CVE-2018-16249 is a medium-severity flaw (CVSS 4.8) affecting symphony. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
In Symphony before 3.3.0, there is XSS in the Title under Post. The ID "articleTitle" of this is stored in the "articleTitle" JSON field, and executes a payload when accessing the /member/test/points URI, allowing remote attacks. Any Web script or HTML can be inserted by an admin-authenticated user via a crafted web site name.
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.8 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | Required |
| EPSS exploit chance | 0.5% (top 56%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2019-06-20 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · 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-2018-16249?
symphony: upgrade to 3.3.0. Exact commands for each OS are on this page.
Is CVE-2018-16249 being exploited?
CVE-2018-16249 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-2018-16249 affect?
CVE-2018-16249 affects symphony. Severity is medium (CVSS 4.8). In Symphony before 3.3.0, there is XSS in the Title under Post. The ID "articleTitle" of this is stored in the "articleTitle" JSON field, and executes a payload when accessing the /member/test/points URI, allowing remote attacks. Any Web sc
How urgent is CVE-2018-16249?
Priority 33/100. Public exploit reference
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