6.8

CVE-2026-23794: apache software foundation apache syncope Cross-site Scripting

CVSS: 6.8v3.1MediumAnalyzed
AliasesGHSA-v84m-gfw5-hm2w
Published 03-02-2026Last modified 03-02-2026
Open JSON

Vulnerability summary

CVE-2026-23794 is a medium (CVSS 6.8) Cross-site Scripting vulnerability in apache software foundation apache syncope. EPSS estimates a 0.51% chance of exploitation in the next 30 days, higher than 42.4% of scored vulnerabilities.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.8/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.51%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 03-02-2026
    PublishedVulnerability first disclosed.
  2. 03-02-2026
    Last modifiedVulnerability information updated.

Description

Reflected XSS in Apache Syncope's Enduser Login page. An attacker that tricks a legitimate user into clicking a malicious link and logging in to Syncope Enduser could steal that user's credentials. This issue affects Apache Syncope: from 3.0 through 3.0.15, from 4.0 through 4.0.3. Users are recommended to upgrade to version 3.0.16 / 4.0.4, which fix this issue.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.51%

Chance of exploitation in the next 30 days

Percentile

42%

Versus all other CVEs

30-day change

+0.04 pp

From 0.48% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.51%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Apache1 product
  • syncope≥ 3.0.0, < 3.0.16 | ≥ 4.0.0, < 4.0.4
Apache software foundation1 product
Org.apache.syncope.client.idrepo1 product
  • syncope-client-idrepo-common-ui≥ 3.0.0, < 3.0.16 | ≥ 4.0.0, < 4.0.4

3 vendors · 3 products

References

4 links