PatchTheCVECVE-2016-4812: Cross-site scripting (XSS) vulnerability in the Markdown on Save Improved plugin before 2.5.1 for WordPress al
CVE-2016-4812 is a medium-severity flaw (CVSS 6.1) affecting markdown on saved improved. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Cross-site scripting (XSS) vulnerability in the Markdown on Save Improved plugin before 2.5.1 for WordPress allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.1 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 1.5% (top 26%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2016-06-04 |
| 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-2016-4812?
markdown on saved improved: upgrade to newer than 2.5. Exact commands for each OS are on this page.
Is CVE-2016-4812 being exploited?
CVE-2016-4812 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-2016-4812 affect?
CVE-2016-4812 affects markdown on saved improved. Severity is medium (CVSS 6.1). Cross-site scripting (XSS) vulnerability in the Markdown on Save Improved plugin before 2.5.1 for WordPress allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
How urgent is CVE-2016-4812?
Priority 40/100. No elevated risk signals yet.