CVE-2026-21431
Emlog vulnerable to stored Cross-site Scripting via image name
Emlog is an open source website building system. Version 2.5.23 has a stored cross-site scripting vulnerability in the Resource media library function while publishing an article. As of time of publication, no known patched versions are available.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Passive
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Emlog vulnerable to stored Cross-site Scripting via image name
Emlog is an open source website building system. Version 2.5.23 has a stored cross-site scripting vulnerability in the Resource media library function while publishing an article. As of time of publication, no known patched versions are available.
- Record
CVE-2026-21431- CVSS 4.0
- 2.0 Low
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2026-0756
Emlog is an open source website building system. Version 2.5.23 has a stored cross-site scripting vulnerability in the Resource media library function while publishing an article. As of time of publication, no known patched versions are available.
- Record
EUVD-2026-0756- CVSS 4.0
- 2.0 Low
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P - Updated
- 2026-11-02
NVD
Emlog is an open source website building system. Version 2.5.23 has a stored cross-site scripting vulnerability in the Resource media library function while publishing an article. As of time of publication, no known patched versions are available.
- Record
CVE-2026-21431- CVSS 4.0
- 2.0 Low
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Emlog vulnerable to stored Cross-site Scripting via image name
Emlog is an open source website building system. Version 2.5.23 has a stored cross-site scripting vulnerability in the Resource media library function while publishing an article. As of time of publication, no known patched versions are available.
- Record
CVE-2026-21431- CVSS 4.0
- 2.0 Low
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-21431 is a low vulnerability (CVSS 2.0) in Emlog, published January 2, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 9th percentile. No source names a fixed version.