PatchTheCVECVE-2018-13981: The websites that were built from Zeta Producer Desktop CMS before 14.2.1 are vulnerable to unauthenticated re
CVE-2018-13981 is a critical-severity flaw (CVSS 9.8) affecting zeta producer desktop cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The websites that were built from Zeta Producer Desktop CMS before 14.2.1 are vulnerable to unauthenticated remote code execution due to a default component that permits arbitrary upload of PHP files, because the formmailer widget blocks .php files but not .php5 or .phtml files. This is related to /assets/php/formmailer/SendEmail.php and /assets/php/formmailer/functions.php.
Why this priority
- Critical severity
- EPSS top 3%: very likely to be exploited
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 17.1% (top 3%) |
| CISA exploited list | No |
| Weakness | CWE-434 |
| Published | 2018-07-16 |
| 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
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
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-2018-13981?
zeta producer desktop cms: upgrade to 14.2.1. Exact commands for each OS are on this page.
Is CVE-2018-13981 being exploited?
CVE-2018-13981 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-2018-13981 affect?
CVE-2018-13981 affects zeta producer desktop cms. Severity is critical (CVSS 9.8). The websites that were built from Zeta Producer Desktop CMS before 14.2.1 are vulnerable to unauthenticated remote code execution due to a default component that permits arbitrary upload of PHP files, because the formmailer widget blocks .p
How urgent is CVE-2018-13981?
Priority 69/100. Critical severity; EPSS top 3%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action