CVE-2026-34229: Emlog: Stored XSS in Comment Module via URI Scheme Validation Bypass

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-04-03 · updated 2026-07-24
Weakness: CWE-79

Description

Emlog is an open source website building system. Prior to version 2.6.8, there is a stored cross-site scripting (XSS) vulnerability in emlog comment module via URI scheme validation bypass. This issue has been patched in version 2.6.8.

Affected products

emlog: before 2.6.8 — fixed in 2.6.8

How to fix

Upgrade to a fixed version: emlog 2.6.8. Check the vendor advisory for mitigations.

References

https://github.com/emlog/emlog/commit/a12ab1b1a273fe634abab32fd28274c18bd57f07
https://github.com/emlog/emlog/security/advisories/GHSA-74gp-xh6w-hqw6

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