CVE-2026-27870
Last modified
CVE-2026-27870 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. An attacker with access via network to the Regesta Smart HD-PLC of the provider Teldat (in this case, registration action IS required) who has the vulnerable software could, introduce arbitrary JavaScript by injecting a Cross-site Scripting (XSS) payload into the 'Hostname' field of the configuration file resulting in a XSS in the path /upgrade/query.php?cmd=p+3%3Bversion. This issue affects Regesta Smart HD-PLC - TLDPH16D2: 11.02.05.10.02.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.
Description
An attacker with access via network to the Regesta Smart HD-PLC of the provider Teldat (in this case, registration action IS required) who has the vulnerable software could, introduce arbitrary JavaScript by injecting a Cross-site Scripting (XSS) payload into the 'Hostname' field of the configuration file resulting in a XSS in the path /upgrade/query.php?cmd=p+3%3Bversion. This issue affects Regesta Smart HD-PLC - TLDPH16D2: 11.02.05.10.02.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-27870?
How severe is CVE-2026-27870?
How do I fix CVE-2026-27870?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-27859A mail message containing excessive amount of RFC 2231 MIME …5.3
- CVE-2026-2786Use-after-free in the JavaScript Engine component. This vuln…9.8
- CVE-2026-27860If auth_username_chars is empty, it is possible to inject ar…5.3
- CVE-2026-27868An attacker with access via network to the Regesta Smart HD-…6.9
- CVE-2026-27869An attacker with access via network to the Regesta Smart HD-…6.9
- CVE-2026-2787Use-after-free in the DOM: Window and Location component. Th…9.8
- CVE-2026-27876A chained attack via SQL Expressions and a Grafana Enterpris…9.1
- CVE-2026-27877When using public dashboards and direct data-sources, all di…7.5
- CVE-2026-27878A TraceQL query in Grafana Tempo with a large exemplars hint…6.5
- CVE-2026-27879A resample query can be used to trigger out-of-memory crashe…6.5
- CVE-2026-2788Incorrect boundary conditions in the Audio/Video: GMP compon…9.8
- CVE-2026-27880The OpenFeature feature toggle evaluation endpoint reads unb…7.5
Are you affected by CVE-2026-27870?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
