What’s Vulnerable › Vulnerabilities

CVE-2020-15251: Privilege Escalation in Channelmgnt plug-in for Sopel

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-10-13 · updated 2026-06-17
• Weakness: CWE-863

Description

In the Channelmgnt plug-in for Sopel (a Python IRC bot) before version 1.0.3, malicious users are able to op/voice and take over a channel. This is an ACL bypass vulnerability. This plugin is bundled with MirahezeBot-Plugins with versions from 9.0.0 and less than 9.0.2 affected. Version 9.0.2 includes 1.0.3 of channelmgnt, and thus is safe from this vulnerability. See referenced GHSA-23pc-4339-95vg.

Affected products

• MirahezeBots sopel-channelmgnt: before 1.0.3 — fixed in 1.0.3

How to fix

Upgrade to a fixed version: MirahezeBots sopel-channelmgnt 1.0.3. Check the vendor advisory for mitigations.

References

• https://github.com/MirahezeBots/MirahezeBots/security/advisories/GHSA-23pc-4339-95vg
• https://github.com/MirahezeBots/sopel-channelmgnt/pull/3
• https://github.com/MirahezeBots/sopel-channelmgnt/security/advisories/GHSA-j257-jfvv-h3x5
• https://phab.bots.miraheze.wiki/T117
• https://phab.bots.miraheze.wiki/phame/live/1/post/1/summary/
• https://pypi.org/project/sopel-plugins.channelmgnt/
• https://github.com/MirahezeBots/MirahezeBots/security/advisories/GHSA-23pc-4339-95vg
• https://github.com/MirahezeBots/sopel-channelmgnt/pull/3
• https://github.com/MirahezeBots/sopel-channelmgnt/security/advisories/GHSA-j257-jfvv-h3x5
• https://phab.bots.miraheze.wiki/T117
• https://phab.bots.miraheze.wiki/phame/live/1/post/1/summary/
• https://pypi.org/project/sopel-plugins.channelmgnt/

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