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CVE-2025-9137· NVD / CVE Program· CNA VulDB

Scada-LTS scheduled_events.shtm cross site scripting

A vulnerability has been found in Scada-LTS 2.7.8.1. This impacts an unknown function of the file scheduled_events.shtm. Such manipulation of the argument alias leads to cross site scripting. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. The vendor explains: "[T]he risks of indicated vulnerabilities seem to be minimal as all scenarios likely require admin permissions. Moreover, regardless our team fixes those vulnerabilities - the overall risk change to the user due to malicious admin actions will not be lower. An admin user - by definition - has full control over HTML and JS code that is delivered to users in regular synoptic panels. In other words - due to the design of the system it is not possible to limit the admin user to attack the users."

LowCVSS 2.0 · v4.0—No exploit No fix recorded
Published
Aug 19, 2025
Updated
Jun 17, 2026
EPSS
0.3% · 19th percentile
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Report tools

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Action score

8

Monitor

Low priority for now.

CVSS
8 / 40 · 2.0 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.3%

CISA SSVC decision

Exploitation
proof of concept
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · VulDB
5.1
NVD has not scored this yet; the score shown is the CNA’s.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
scada-ltsscada-lts

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • scada-lts scada-lts2.7.8.1

Versions reported by the vendor

Affected version ranges reported by the assigning authority (VulDB). Independent of NVD's CPE analysis and usually ahead of it.

  • n/a Scada-LTS

    • 2.7.8.1affected

Same product

scada-lts: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-19656ScadaLTS Authenticated Remote Code Execution
    39Monitor
  • CVE-2026-84860Scada-LTS DWR Authorization Bypass - Systemic
    35Monitor
  • CVE-2026-84858Scada-LTS Authenticated Remote Code Execution via Scripting Sandbox Bypass
    35Monitor
  • CVE-2023-33472An issue was discovered in Scada-LTS v2.7.5.2 build 4551883606 and before, allows remote attackers with low-level authentication to escalate
    35Monitor
  • CVE-2022-41976An privilege escalation issue was discovered in Scada-LTS 2.7.1.1 build 2948559113 allows remote attackers, authenticated in the application
    35Monitor
  • CVE-2026-84859Scada-LTS Authenticated Blind SQL Injection
    26Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2026-19657358 days apartScadaLTS Unauthenticated Reflected XSS
    24Monitor
  • CVE-2024-7901367 days apartScada-LTS Message Scada cross site scripting
    21Monitor
  • CVE-2025-91380 days apartScada-LTS new cross site scripting
    8Monitor
  • CVE-2025-91430 days apartScada-LTS mailing_lists.shtm cross site scripting
    8Monitor
  • CVE-2025-91440 days apartScada-LTS publisher_edit.shtm cross site scripting
    8Monitor
  • CVE-2025-91450 days apartScada-LTS SVG File view_edit.shtm cross site scripting
    8Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • A low-privileged account is enough.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
Integrity
Availability
Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
P
Scope
X

Weakness class (CWE)

CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/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

nvd-secondary

Root cause

User content is inserted into the page as HTML. The browser interprets the content as code rather than data.

The bug in code

The whole CWE-79 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
commentEl.innerHTML = comment.body;

Fixed

ts
commentEl.textContent = comment.body;

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records