CVE-2018-20837
include/admin/Menu/Ajax.php in Typesetter 5.1 has index.php/Admin/Menu/Ajax?cmd=AddHidden title XSS.
include/admin/Menu/Ajax.php in Typesetter 5.1 has index.php/Admin/Menu/Ajax?cmd=AddHidden title XSS.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
include/admin/Menu/Ajax.php in Typesetter 5.1 has index.php/Admin/Menu/Ajax?cmd=AddHidden title XSS.
- Record
CVE-2018-20837- CVSS 3.0
- 4.8 Medium
CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
include/admin/Menu/Ajax.php in Typesetter 5.1 has index.php/Admin/Menu/Ajax?cmd=AddHidden title XSS.
- Record
CVE-2018-20837- Updated
- 2026-11-02
EUVDEUVD-2018-13377 No score
include/admin/Menu/Ajax.php in Typesetter 5.1 has index.php/Admin/Menu/Ajax?cmd=AddHidden title XSS.
- Record
EUVD-2018-13377- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-36q9-65j8-xvpg No score
include/admin/Menu/Ajax.php in Typesetter 5.1 has index.php/Admin/Menu/Ajax?cmd=AddHidden title XSS.
include/admin/Menu/Ajax.php in Typesetter 5.1 has index.php/Admin/Menu/Ajax?cmd=AddHidden title XSS.
- Record
GHSA-36q9-65j8-xvpg- Updated
- 2026-11-02
OSV
include/admin/Menu/Ajax.php in Typesetter 5.1 has index.php/Admin/Menu/Ajax?cmd=AddHidden title XSS.
- Record
CVE-2018-20837- CVSS 3.0
- 4.8 Medium
CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-20837 is a medium vulnerability (CVSS 4.8) in Typesettercms Typesetter, published May 9, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.73%, the 54th percentile. No source names a fixed version.