Vulnerability in moodle-block_sitenews (CVE-2020-36633)

Summary

Vulnerability in moodle-block_sitenews (CVE-2020-36633). Data can be tampered with by attackers.

Original description

The description as published by the source.

A vulnerability was found in moodle-block_sitenews 1.0. It has been classified as problematic. This affects the function get_content of the file block_sitenews.php. The manipulation leads to cross-site request forgery. It is possible to initiate the attack remotely. Upgrading to version 1.1 is able to address this issue. The name of the patch is cd18d8b1afe464ae6626832496f4e070bac4c58f. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-216879.

Source: OSV.dev (Open Source Vulnerabilities) NVD OSV

Auto-generated summary

Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.

A vulnerability tracked as CVE-2020-36633 has been found in moodle-block_sitenews.
Data can be tampered with by attackers.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "moodle-block_sitenews CVE-2020-36633" on the vendor's site.

CVE-2020-36633 (moodle-block_sitenews)
Attack vector: remote (network-reachable) / unauthenticated
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.

❓ What is the problem

A vulnerability (unclassified) exists in moodle-block_sitenews.

📍 Affected scope

Check the vendor advisory for the affected versions of moodle-block_sitenews.

🔥 Severity

Severity: ?. Data can be tampered with by attackers.

🔧 How to fix

Update to the patched release per vendor advisory.

🛡️ Workaround

Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.

🔍 Detection

Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'moodle-block_sitenews' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.

Response actions

Concrete steps and command examples for SOC/SRE teams to execute in order

1
Identify exposure identify
```
grep -r 'moodle-block_sitenews' . | grep -v node_modules
```
リポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で moodle-block_sitenews を grep し、稼働しているサービス・バージョンを把握する。
2
Post-deployment verification verify
```
Confirm patched version is live in production
```
パッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。

References

advisory github.com
advisory vuldb.com
advisory vuldb.com
patch github.com
patch github.com