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  4. CVE 2026 110103 bbs go through 446 stored xss via image upload
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Back to active CVEs
Medium · CVSS 5.1CVE-2026-110103

bbs-go through 4.4.6 Stored XSS via Image Upload Content-TypeCVE-2026-110103

Answer in brief

CVE-2026-110103 records a Medium severity (CVSS 5.1) vulnerability in bbs-go through 4.4.6 Stored XSS via Image Upload Content-Type. The current sources do not mark it as known exploited. The current feed maps mlogclub/bbs-go (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 13, 2026Updated Oct 13, 2026Source checked Oct 13, 2026First seen by HOL Oct 13, 2026Material review Oct 13, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 5.1
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

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.

Affected scope and exposure questions

The current feed maps mlogclub/bbs-go (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
mlogclub/bbs-gogeneric>=0 <=4.4.6Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for mlogclub/bbs-go.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Oct 13, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 13, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 13, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source description

bbs-go through 4.4.6 contains a stored cross-site scripting vulnerability that allows authenticated users to upload HTML or SVG files by spoofing the multipart Content-Type in POST /api/upload. Attackers can upload script-bearing documents served inline from /res and send their URLs to administrators, executing script on the forum's origin.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • odt2spip < 4.4.0 OS Command Injection via Document FilenameSame generic ecosystem
  • Docker Hub account conversion could reassign an active personal access token to another userSame generic ecosystem
  • dataclasses-avroschema allows code injection through generated field-default literalsSame generic ecosystem
  • dataclasses-avroschema allows code injection through record names in generated default factoriesSame generic ecosystem
  • dataclasses-avroschema allows code injection through generated Meta.schema_nameSame generic ecosystem
  • dataclasses-avroschema record documentation can terminate generated class docstringsSame generic ecosystem

Record context

Vulnerability class
XSS
EPSS
Not reported
CWE IDs
CWE-79
Source
CVE List V5
Source checked
Oct 13, 2026
References
6 linked sources
Open source record