PT-2026-1118 · Emlog · Emlog

Published 2026-01-02 · Updated 2026-01-02 · CVE-2026-21431

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Emlog version 2.5.23

Description Emlog, an open source website building system, contains a stored cross-site scripting issue. The issue is present in the Resource media library function when publishing an article. The Resource media library function allows for the injection of malicious scripts.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-21431

GHSA-9VC2-CRHR-248X

Affected Products

Emlog

References · 8

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/21xxx/CVE-2026-21431.json · Exploit
• https://github.com/emlog/emlog/security/advisories/GHSA-9vc2-crhr-248x · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-21431 · Security Note
• https://osv.dev/vulnerability/CVE-2026-21431 · Vendor Advisory
• https://t.me/cveNotify/147589 · Telegram Post
• https://twitter.com/CVEnew/status/2007168111469048146 · Twitter Post
• https://t.me/CVEtracker/41287 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2007196034607304752 · Twitter Post