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CVE-2026-66825· NVD / CVE Program· CNA CIRCL

Cross-Site Scripting via Unsafe URL Schemes in Pivotick Property Links

Pivotick contains a cross-site scripting vulnerability in the sidebar property-list component. Values associated with link-like properties, such as url, uri, href, link, website, or homepage, were rendered as hyperlinks without validating their URL scheme. An attacker able to supply or influence node or edge property data could provide a malicious value using the javascript: scheme, including variants obfuscated with whitespace or control characters. If a user clicked the generated property link, attacker-controlled JavaScript could execute in the context of the Pivotick application. Successful exploitation could allow the attacker to access information available to the victim’s browser session or perform actions with the victim’s privileges. The vulnerability was addressed by normalizing property values and preventing URLs with non-allowlisted schemes from being rendered as clickable links.

MediumCVSS 6.9 · v4.0—No exploit Fix available
Published
Jul 27, 2026
Updated
Jul 30, 2026
EPSS
0.4% · 36th percentile
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Report tools

JSON

Action score

27

Monitor

Low priority for now.

CVSS
27 / 40 · 6.9 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.4%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · CIRCL
6.9
NVD has not scored this yet; the score shown is the CNA’s.

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

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

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Affected systems

—

Versions reported by the vendor

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

  • pivotick pivotick

    • before 1.4.0affected · semver

Same product

pivotick: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-67174DOM-Based Cross-Site Scripting via Unsafe String and SVG Icon Rendering in Pivotick
    36Monitor
  • CVE-2026-66920Pivotick - Stack Exhaustion Denial of Service via Deep or Cyclic Graph Data
    32Monitor
  • CVE-2026-66918DOM-Based Cross-Site Scripting via Unsanitized SVG Node Icons
    32Monitor
  • CVE-2026-66919Stored DOM-Based Cross-Site Scripting in Node Modal Headers
    27Monitor
  • CVE-2026-66921Pivotick - Stored DOM-Based Cross-Site Scripting via Unescaped Markdown Node References
    25Monitor
  • CVE-2026-67173Pivotick Unvalidated Node Image URLs Allow Unintended Client-Side Requests
    20Monitor

Remediation

Which version to upgrade to

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

Product / packageFixed versionSource
pivotick pivotick1.4.0Vendor (CNA)

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.

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-2026-671741 days apartDOM-Based Cross-Site Scripting via Unsafe String and SVG Icon Rendering in Pivotick
    36Monitor
  • CVE-2026-669181 days apartDOM-Based Cross-Site Scripting via Unsanitized SVG Node Icons
    32Monitor
  • CVE-2026-669191 days apartStored DOM-Based Cross-Site Scripting in Node Modal Headers
    27Monitor
  • CVE-2026-669211 days apartPivotick - Stored DOM-Based Cross-Site Scripting via Unescaped Markdown Node References
    25Monitor

Chain candidates

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

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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.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
Integrity
Availability
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
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:N/UI:N/VC:L/VI:L/VA:N/SC:L/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

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

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Change log

  1. Fix✗ → ✓

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References

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

All records