5.2

CVE-2024-27123: qnap systems inc. qcalagent Cross-site Scripting

CVSS: 5.2v4.0MediumDeferred
Published 18-09-2026Last modified 18-09-2026
Open JSON

Vulnerability summary

CVE-2024-27123 is a medium (CVSS 5.2) Cross-site Scripting vulnerability in qnap systems inc. qcalagent. EPSS estimates a 0.13% chance of exploitation in the next 30 days, higher than 2.3% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.2/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.13%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 18-09-2026
    PublishedVulnerability first disclosed.
  2. 18-09-2026
    Last modifiedVulnerability information updated.

Description

A cross-site scripting (XSS) vulnerability has been reported to affect QcalAgent. The local attackers can then exploit the vulnerability to bypass security mechanisms or read application data. We have already fixed the vulnerability in the following version: QcalAgent 1.1.9 and later

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.13%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

0.00 pp

From 0.13% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.13%

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

Qnap systems inc.1 product

1 vendor · 1 product

References

1 links