ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2026-21431

Emlog is an open source website building system.

Published Jan 2, 2026 · catalog updated Jan 5, 2026 · Emlog is an open

Last checked Nov 3, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-21431. EPSS is 0.20%. Act only if a listed version of Emlog is an open is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Emlog is an open).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Low2.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.20%
Remediation
Advisory link
Affected products
vendor emlog emlog = 2.5.23

Emlog is an open source website building system. Version 2.5.23 has a stored cross-site scripting vulnerability in the function while publishing an article. As of time of publication, no known patched versions are available.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor emlog emlog = 2.5.23= 2.5.23

How to fix CVE-2026-21431

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-21431. EPSS is 0.20%. Act only if a listed version of Emlog is an open is installed.

Which versions are affected?

Compare what you have installed with emlog emlog = 2.5.23 = 2.5.23. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.20%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 2, 2026 · EUVD

    Detected

    Emlog is an open source website building system. Version 2.5.23 has a stored cross-site scripting vulnerability in the function while publishing an article. As of time of publication, no known patched versions are available.

  2. Jan 5, 2026 · EUVD

    Updated

    Emlog is an open source website building system. Version 2.5.23 has a stored cross-site scripting vulnerability in the function while publishing an article. As of time of publication, no known patched versions are available.

Sources

  • CVE.orgVulnerability recordCVE-2026-21431

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-21431

    30-day exploitation probability 0.20%

    first.org
  • EUVDVulnerability recordEUVD-2026-0756

    Emlog is an open source website building system. Version 2.5.23 has a stored cross-site scripting vulnerability in the function while publishing an article. As of time of publication, no known patched versions are available.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 3, 2026
  • CVE.orgOct 31, 2026
  • EUVDOct 31, 2026