Improper Control of Interaction Frequency in Apache syncope-core

published 2018-11-06 8 y ago modified 2026-06-17 4 mo ago also GHSA-9h9c-f287-c6vp , EUVD-2018-0739

cvss: 5.4; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits: 0; none known

A malicious user with enough administration entitlements can inject html-like elements containing JavaScript statements into Connector names, Report names, AnyTypeClass keys and Policy descriptions. When another user with enough administration entitlements edits one of the Entities above via Admin Console, the injected JavaScript code is executed.

Patch / fix

fixed in 2

maven org.apache.syncope:syncope-core 2.0.11, 2.1.2
apache syncope 2.0.11, 2.1.2

Exploit prediction

1.20% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	5.4	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	3.5	AV:N/AC:M/Au:S/C:N/I:P/A:N
GitHub	3.0	5.4	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
maven	org.apache.syncope:syncope-core	<2.0.11 >=2.1.0, <2.1.2	2.0.11 2.1.2

Affected products

Apache Software Foundation Apache Syncope

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation
CWE-799 Improper Control of Interaction Frequency

References

syncope.apache.org /security#CVE-2018-17184:_Stored_XSS
web, vendor-advisory
nvd.nist.gov /vuln/detail/CVE-2018-17184
advisory
github.com /advisories/GHSA-9h9c-f287-c6vp
advisory

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary