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PatchSiren cyber security CVE debrief

CVE-2019-25739 Gigtodoscript CVE debrief

CVE-2019-25739 is a medium-severity vulnerability in GigToDo 1.3, a freelance marketplace script, 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.

Vendor
Gigtodoscript
Product
GigToDo
CVSS
MEDIUM 5.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-04
Original CVE updated
2026-07-22
Advisory published
2026-06-04
Advisory updated
2026-07-22

Who should care

Administrators and users of GigToDo 1.3, as well as developers and security teams responsible for maintaining and securing instances of the script.

Technical summary

The vulnerability has a CVSS score of 5.1 and is classified as MEDIUM severity. It allows attackers with low privileges to inject malicious code, which can be executed when viewed by other users or administrators.

Defensive priority

High

Recommended defensive actions

  • Apply patches or updates to GigToDo 1.3 to fix the persistent cross-site scripting vulnerability.
  • Implement input validation and output encoding to prevent malicious code injection.
  • Use a web application firewall (WAF) to detect and block suspicious traffic.
  • Educate users on secure practices when interacting with the GigToDo platform.

Evidence notes

The CVE record was obtained from the official CVE website [cve-org]. Additional information was sourced from the National Vulnerability Database [nvd] and other references [ref-4], [ref-5], [ref-6], [ref-7].

Sources and references

Verified primary and authoritative sources

  • CVE-2019-25739 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2019-25739

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2019-25739 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2019-25739

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.