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CVE Record

CVE-2020-36644: jamesmartin Inline SVG URL Parameter helpers.rb cross site scripting

A vulnerability has been found in jamesmartin Inline SVG up to 1.7.1 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file lib/inline_svg/action_view/helpers.rb of the component URL Parameter Handler. The manipulation of the argument filename leads to cross site scripting. The attack can be launched remotely. Upgrading to version 1.7.2 is able to address this issue. The identifier of the patch is f5363b351508486021f99e083c92068cf2943621. It is recommended to upgrade the affected component. The identifier VDB-217597 was assigned to this vulnerability.

MediumCVSS 4Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2020-36644 is a cross-site scripting issue in jamesmartin Inline SVG versions 1.7.0 and 1.7.1. If an application lets an authenticated user influence the SVG filename handled by this helper, the user may affect page content seen by others. The documented fix is version 1.7.2.

Executive priority

Treat this as a moderate-priority dependency remediation. It is not flagged as known exploited, but XSS can create business risk where authenticated users can influence rendered content. Prioritize internet-facing or multi-user applications first.

Technical view

The issue is CWE-79 in lib/inline_svg/action_view/helpers.rb, specifically the URL Parameter Handler. Manipulating the filename argument can lead to XSS. The CVSS v2 vector is AV:N/AC:L/Au:S/C:N/I:P/A:N, score 4.0, indicating network reachability, low complexity, required authentication, partial integrity impact, and no stated confidentiality or availability impact.

Likely exposure

Exposure is most likely in applications using jamesmartin Inline SVG 1.7.0 or 1.7.1, especially where filename values passed to Inline SVG helpers can be influenced by users. Evidence does not identify other affected products or versions.

Exploitation context

The source bundle says the attack can be launched remotely and the CVSS vector requires authentication. KEV is false, and the provided sources do not state active exploitation in the wild.

Researcher notes

The public record identifies the vulnerable file and argument but describes the affected functionality as unknown. Analysis should stay dependency- and code-path-focused. Do not assume unauthenticated exploitability because the supplied CVSS vector lists Au:S.

Mitigation direction

  • Upgrade jamesmartin Inline SVG to version 1.7.2.
  • Verify patch commit f5363b351508486021f99e083c92068cf2943621 is included.
  • Avoid passing user-controlled filename values to Inline SVG helpers until upgraded.
  • Review vendor release and patch references for deployment-specific guidance.

Validation and detection

  • Inventory applications using jamesmartin Inline SVG.
  • Confirm no deployed dependency is version 1.7.0 or 1.7.1.
  • Review code paths passing filename values into Inline SVG helpers.
  • Confirm production builds include Inline SVG version 1.7.2.
Prepared
Confidence
high
Sources
7

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-79: User-session and phishing behavior lookup

Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

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cve · low confidence lookup

CVE-2020-36644 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
4 (2.0)
Known Exploited
No
Published

Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
6Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
4CVSS 2.0MediumAV:N/AC:L/Au:S/C:N/I:P/A:N82.9Primary CVE score

Vulnerability scoring details

Base CVSS 2.0 score

4Medium
CVSS 2.0 vector shape for CVE-2020-36644Access VectorAccess ComplexityAuthenticationConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N

Access Vector
NetworkAdjacentLocal
Access Complexity
LowMediumHigh
Authentication
NoneSingleMultiple
Confidentiality Impact
CompletePartialNone
Integrity Impact
CompletePartialNone
Availability Impact
CompletePartialNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
jamesmartinInline SVG1.7.0, 1.7.1Listed
Weakness

CWE details

CWE-79

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-79 · source CWE mapping

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

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

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