CVE-2026-21431

2.0 lowEPSS 0.2%

Low (2.0) in emlog emlog. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

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

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 9% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2026-01-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

emlog:emlog

References

https://github.com/emlog/emlog/security/advisories/GHSA-9vc2-crhr-248x

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