9.6

CVE-2023-3526: phoenix contact cloud client 1101t-tx/tx Cross-site Scripting

CVSS: 9.6v3.1CriticalModified
Published 08-08-2023Last modified 27-02-2025

Vulnerability summary

CVE-2023-3526 is a critical (CVSS 9.6) Cross-site Scripting vulnerability in phoenix contact cloud client 1101t-tx/tx. EPSS estimates a 1.79% chance of exploitation in the next 30 days, higher than 78.1% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.6/10
010
Critical · v3.1 (CVE.org)
EPSS score
1.79%
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. 08-08-2023
    PublishedVulnerability first disclosed.
  2. 27-02-2025
    Last modifiedVulnerability information updated.

Description

In PHOENIX CONTACTs TC ROUTER and TC CLOUD CLIENT in versions prior to 2.07.2 as well as CLOUD CLIENT 1101T-TX/TX prior to 2.06.10 an unauthenticated remote attacker could use a reflective XSS within the license viewer page of the devices in order to execute code in the context of the user's browser.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.79%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

0.00 pp

From 1.79% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.79%

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

2 vendors · 14 products

References

3 links