CVE-2018-15886
Monstra CMS 3.0.4 does not properly restrict modified Snippet content, as demonstrated by the...
CVE-2018-15886 is a high vulnerability (CVSS 7.2) in Monstra, published September 10, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.65%, the 76th percentile. No source names a fixed version.
- Severity
- 7.2 HighCVSS 3.0, NVD
- Exploit chance
- 1.65%EPSS, 76th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
Monstra CMS 3.0.4 does not properly restrict modified Snippet content, as demonstrated by the admin/index.php?id=snippets&action=edit_snippet&filename=google-analytics URI, which allows attackers to execute arbitrary PHP code by placing this code after a <?php substring.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
What each source reports
NVD Score used 7.2
Monstra CMS 3.0.4 does not properly restrict modified Snippet content, as demonstrated by the admin/index.php?id=snippets&action=edit_snippet&filename=google-analytics URI, which allows attackers to execute arbitrary PHP code by placing this code after a <?php substring.
- Record
CVE-2018-15886- CVSS 3.0
- 7.2 High
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-94
- Updated
- 2026-11-02
CVE ListNo score
Monstra CMS 3.0.4 does not properly restrict modified Snippet content, as demonstrated by the admin/index.php?id=snippets&action=edit_snippet&filename=google-analytics URI, which allows attackers to execute arbitrary PHP code by placing this code after a <?php substring.
- Record
CVE-2018-15886- Updated
- 2026-11-02
EUVDEUVD-2018-7743No score
Monstra CMS 3.0.4 does not properly restrict modified Snippet content, as demonstrated by the admin/index.php?id=snippets&action=edit_snippet&filename=google-analytics URI, which allows attackers to execute arbitrary PHP code by placing this code after a <?php substring.
- Record
EUVD-2018-7743- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w9pc-qgp8-4xhx 7.2
Monstra CMS 3.0.4 does not properly restrict modified Snippet content, as demonstrated by the...
Monstra CMS 3.0.4 does not properly restrict modified Snippet content, as demonstrated by the admin/index.php?id=snippets&action=edit_snippet&filename=google-analytics URI, which allows attackers to execute arbitrary PHP code by placing this code after a <?php substring.
- Record
GHSA-w9pc-qgp8-4xhx- CVSS 3.0
- 7.2 High
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
OSV 7.2
Monstra CMS 3.0.4 does not properly restrict modified Snippet content, as demonstrated by the admin/index.php?id=snippets&action=edit_snippet&filename=google-analytics URI, which allows attackers to execute arbitrary PHP code by placing this code after a <?php substring.
- Record
CVE-2018-15886- CVSS 3.0
- 7.2 High
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.