PT-2023-12293 · Tasmota · Tasmota

Therabbitx · Published 2023-01-09 · Updated 2023-01-13 · CVE-2021-36603

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Tasmota firmware version 6.5.0

Description The issue allows remote attackers to inject JavaScript code via a crafted string in the Friendly Name 1 field. This enables Cross Site Scripting (XSS) attacks.

Recommendations For Tasmota firmware version 6.5.0, avoid using the Friendly Name 1 field until a patch is available. As a temporary workaround, consider restricting access to this field to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-36603

Affected Products

Tasmota

References · 4

• 🔥 https://github.com/arendst/Tasmota/issues/12221 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-36603 · Security Note
• https://osv.dev/vulnerability/CVE-2021-36603 · Vendor Advisory
• https://t.me/cibsecurity/56182 · Telegram Post