Answer in brief
CVE-2026-129259 records a Medium severity (CVSS 5.1) vulnerability in Mereithhh VanBlog Image Upload Endpoint access.ts cross site scripting. The current sources do not mark it as known exploited. The current feed maps Mereithhh/VanBlog (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Mereithhh/VanBlog (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Mereithhh/VanBloggeneric | 0.1 || 0.2 || 0.3 || 0.4 || 0.5 || 0.6 || 0.7 || 0.8 || 0.9 || 0.10 || 0.11 || 0.12 || 0.13 || 0.14 || 0.15 || 0.16 || 0.17 || 0.18 || 0.19 || 0.20 || 0.21 || 0.22 || 0.23 || 0.24 || 0.25 || 0.26 || 0.27 || 0.28 || 0.29 || 0.30 || 0.31 || 0.32 || 0.33 || 0.34 || 0.35 || 0.36 || 0.37 || 0.38 || 0.39 || 0.40 || 0.41 || 0.42 || 0.43 || 0.44 || 0.45 || 0.46 || 0.47 || 0.48 || 0.49 || 0.50 || 0.51 || 0.52 || 0.53 || 0.54.0 | Not reported |
Published upstream
Nov 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Nov 14, 2026
A weakness has been identified in Mereithhh VanBlog up to 0.54.0. This affects an unknown part of the file packages/server/src/types/access/access.ts of the component Image Upload Endpoint. Executing a manipulation can lead to cross site scripting. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Quoted source text, attributed separately from HOL analysis.