CVE-2026-71189

LOW 3.5

Toptech TMS7 and TopHAT Cross-site Scripting

CVSS Score

3.5

EPSS Score

0.0%

EPSS Percentile

0th

An attacker can construct a request that, if issued by another application user, will cause JavaScript code supplied by the attacker to execute within the user's browser in the context of that user's session with the application.

CWE	CWE-79
Vendor	toptech systems
Product	tms7
Published	Sep 29, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Affected Versions

Toptech Systems / TMS7

7.6.3

Toptech Systems / TopHAT

7.6.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

toptech.com: https://www.toptech.com/blog/tms7-version-7-8-strengthens-security cisa.gov: https://www.cisa.gov/news-events/ics-advisories/icsa-26-272-02 github.com: https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-272-02.json

Credits

Sachin Shetty and Roy Duisters of Shell CyberDefence reported this vulnerability to Toptech and CISA.