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Vulnerability record · CVE-2012-5534 · published 3 December 2012

CVE-2012-5534: Flashtux weechat improper input validation vulnerability

Flashtux · Weechat

The hook_process function in the plugin API for WeeChat 0.3.0 through 0.3.9.1 allows remote attackers to execute arbitrary commands via shell metacharacters in a command from a plugin, related to "shell expansion."

7.5 CVSS 2.0 High EPSS 4.4% · top 8.9% CWE-20 · Improper input validation
7.5CVSS 2.0 base score
4.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
28References
16 Jun 2026Last modified by NVD

Description

The hook_process function in the plugin API for WeeChat 0.3.0 through 0.3.9.1 allows remote attackers to execute arbitrary commands via shell metacharacters in a command from a plugin, related to "shell expansion."

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://git.savannah.gnu.org/gitweb/?p=weechat.git%3Ba=commitdiff_plain%3Bh=efb795c74fe954b9544074aafcebb1be4452b03a
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093260.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093495.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093516.html
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00018.html
http://lists.opensuse.org/opensuse-updates/2012-11/msg00087.html
http://secunia.com/advisories/51294 Vendor Advisory
http://secunia.com/advisories/51377
http://weechat.org/security/ PatchVendor Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2013:136
http://www.openwall.com/lists/oss-security/2012/11/19/4
http://www.securityfocus.com/bid/56584
https://savannah.nongnu.org/bugs/?37764
https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0347
http://git.savannah.gnu.org/gitweb/?p=weechat.git%3Ba=commitdiff_plain%3Bh=efb795c74fe954b9544074aafcebb1be4452b03a
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093260.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093495.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093516.html
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00018.html
http://lists.opensuse.org/opensuse-updates/2012-11/msg00087.html
http://secunia.com/advisories/51294 Vendor Advisory
http://secunia.com/advisories/51377
http://weechat.org/security/ PatchVendor Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2013:136
http://www.openwall.com/lists/oss-security/2012/11/19/4
http://www.securityfocus.com/bid/56584
https://savannah.nongnu.org/bugs/?37764
https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0347

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2012-5534), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.