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CVE Record

CVE-2019-25739: GigToDo Freelance Marketplace Script 1.3 Persistent XSS

GigToDo 1.3 contains a persistent cross-site scripting vulnerability that allows authenticated attackers to inject malicious JavaScript and HTML code through the proposal description field. Attackers can craft XSS payloads in the create_proposal endpoint that execute when administrators or other users view the stored proposal, enabling cookie theft and malicious redirects.

MediumCVSS 5.4Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

GigToDo Freelance Marketplace Script 1.3 can store attacker-supplied script content in proposal descriptions. If an administrator or user views the proposal, browser-side code may run in that viewer's session. The main business risk is account compromise, data exposure, or malicious redirection inside a marketplace deployment.

Executive priority

Treat as a moderate web application risk. Prioritize if GigToDo handles sensitive user data, payments, or administrator workflows, because successful exploitation can target privileged sessions through normal proposal review activity.

Technical view

CVE-2019-25739 is stored XSS in the proposal description field of GigToDo 1.3. Authenticated attackers can submit malicious HTML or JavaScript through create_proposal, later executing when another user views the stored proposal. CVSS 3.1 is 5.4, requiring low privileges and user interaction, with changed scope and low confidentiality/integrity impact.

Likely exposure

Exposure is most likely where GigToDo 1.3 is deployed and authenticated users can create proposals reviewed by administrators or other users. The source bundle does not provide reliable CPE data or a fixed-version range.

Exploitation context

A public ExploitDB reference exists, so technical details were publicly disclosed. The bundle does not show CISA KEV listing or any cited evidence of active exploitation in the wild.

Researcher notes

Evidence identifies stored XSS through proposal descriptions in GigToDo 1.3. The affected metadata is incomplete, listing GigToDo with version 0 and no CPEs. No source in the bundle names a patch, fixed release, or active exploitation.

Mitigation direction

  • Check GigToDo vendor guidance for a fixed version or official workaround.
  • Restrict proposal creation to trusted authenticated users until remediated.
  • Ensure proposal descriptions are server-side sanitized and output-encoded before display.
  • Review and remove stored proposal content containing unexpected script or HTML.
  • Invalidate affected sessions if suspicious stored content is found.

Validation and detection

  • Inventory deployed GigToDo instances and confirm whether version 1.3 is present.
  • Review create_proposal handling for proposal description validation and encoding.
  • Check proposal records for unexpected script tags, event handlers, or redirect markup.
  • Confirm stored proposal text renders as inert text in admin and user views.
  • Review access logs for suspicious proposal submissions followed by privileged views.
Prepared
Confidence
medium
Sources
6

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.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2019-25739 mapping review

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

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.4 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/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.

2CVSS vectors
3Timeline events
1ADP providers
5Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: pocAutomatable: noTechnical Impact: partial

CVSS vector scores

2 official scores

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
5.4CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N2.32.7VulnCheck
5.1CVSS 4.0MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:NVulnCheck

Vulnerability scoring details

Base CVSS 4.0 score

5.1Medium
CVSS 4.0 vector shape for CVE-2019-25739Attack VectorAttack ComplexityAttack RequirementsPrivileges RequiredUser InteractionVS ConfidentialityVS IntegrityVS AvailabilitySS ConfidentialitySS IntegritySS Availability

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Attack Requirements
NonePresent
Privileges Required
NoneLowHigh
User Interaction
NonePassiveActive
VS Confidentiality
HighLowNone
VS Integrity
HighLowNone
VS Availability
HighLowNone
SS Confidentiality
HighLowNone
SS Integrity
HighLowNone
SS Availability
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
GigtodoscriptGigToDo0Listed
Weakness

CWE details

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.