MediumVulnerability

CVE-2025-51863: ChatGPT Unli cross site scripting through crafted SVG file in chat

Source: NVD(opens in a new tab)
Identifier: CVE-2025-51863
Published: July 22, 2025
Record updated: October 9, 2026

Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
EPSS: 0.3%

Summary

CVE-2025-51863 is a Self Cross Site Scripting (XSS) vulnerability in ChatGPT Unli (ChatGPTUnli.com) through 2025-05-26. According to the description, an attacker can execute arbitrary code by submitting a crafted SVG file to the chat interface. The weakness is classified as CWE-79, and NVD has not yet provided an assessment.

Mitigation

The source does not state a fix yet. Check the original advisory for updates.

Details

Scores and exploitation

CVSS score: 6.1(medium)
EPSS: 0.3%Estimated probability that this CVE is exploited in the next 30 days, from the FIRST Exploit Prediction Scoring System. Read on November 3, 2026.

Weaknesses and techniques

Weakness (CWE): CWE-79
Attack pattern (CAPEC): CAPEC-198
CAPEC-86

Classification

Attack type: Other
Attack sophistication: Trivial
AI component targeted: API
Impact: Integrity
Labels: security

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative. The source gives this advisory a description and no title, so the title above is a headline generated from the source text.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2025-51863

First tracked: February 15, 2026 at 08:50 PM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 85% (self-assessed)

Summary

Mitigation

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