CVE-2026-27870
CROSS-SITE SCRIPTING (XSS) VIA MALICIOUS FILE UPLOAD ON REGESTA SMART HD-PLC OF TELDAT
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.
INFO
Published Date :
June 17, 2026, 8:13 a.m.
Last Modified :
June 17, 2026, 8:13 a.m.
Remotely Exploit :
Yes !
Source :
HackRTU
Affected Products
The following products are affected by CVE-2026-27870
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | MEDIUM | ffb98d57-deaa-4918-a669-5225ccc13e39 |
Solution
- Validate and sanitize the 'Hostname' input.
- Implement output encoding for displayed data.
- Update the Regesta Smart HD-PLC software.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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The following list is the news that have been mention
CVE-2026-27870 vulnerability anywhere in the article.