CVE-2026-78318

6.1 mediumEPSS 0.3%

Medium (6.1). EPSS 0.3% chance of exploitation in the next 30 days.

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Apache Syncope. The notification message, as optionally shown by Console's and Enduser's login pages can be instructed to display HTML tags with unsafe JS inline, via malicious HTTP link generation. This issue affects Apache Syncope: from 4.0.4 through 4.0.7, from 4.1.0-M0 through 4.1.2. Users are recommended to upgrade to version 4.0.8 / 4.1.3, which fix this issue.

Severity

CVSS 3.1

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 18% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2026-09-14
Modified: 2026-09-14
Record from: the NVD, synced 2026-10-19

References

https://lists.apache.org/thread/wmo15rczvd0w3ywjgqdrcznkb1v3qy9r
http://www.openwall.com/lists/oss-security/2026/09/14/18

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