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CVE-2021-29661

MEDIUM
5.4
CVSS Score
Published: April 2, 2021 at 06:43 PM UTC
Updated: June 17, 2026 at 03:48 AM UTC
1 product affected across 1 vendorOpc Toolbox

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.6%

Description

Softing AG OPC Toolbox through 4.10.1.13035 allows /en/diag_values.html Stored XSS via the ITEMLISTVALUES##ITEMID parameter, resulting in JavaScript payload injection into the trace file. This payload will then be triggered every time an authenticated user browses the page containing it.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Opc Toolbox· Softing
95%
v ≤ 4.10.1.13035

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://www.gruppotim.it/redteam

CVSS

5.4MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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