How severe is CVE-2012-5534?

CVE-2012-5534 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2012-5534 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-5534?

CVE-2012-5534 primarily affects Flashtux Weechat. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-5534?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2012-5534 published?

CVE-2012-5534 was published on 2012-12-03 and last updated on 2026-06-16.

CVE-2012-5534

CVE-2012-5534 is a high-severity vulnerability in Flashtux Weechat with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Flashtux Weechat
Published: 2012-12-03
Last modified: 2026-06-16

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."

Frequently asked questions

What is CVE-2012-5534?: 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."
How severe is CVE-2012-5534?: CVE-2012-5534 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2012-5534 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-5534?: CVE-2012-5534 primarily affects Flashtux Weechat. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-5534?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2012-5534 published?: CVE-2012-5534 was published on 2012-12-03 and last updated on 2026-06-16.

References

Affected products (11)

cpe:2.3:a:flashtux:weechat:0.3.0:*:*:*:*:*:*:*
cpe:2.3:a:flashtux:weechat:0.3.1:*:*:*:*:*:*:*
cpe:2.3:a:flashtux:weechat:0.3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:flashtux:weechat:0.3.2:*:*:*:*:*:*:*
cpe:2.3:a:flashtux:weechat:0.3.3:*:*:*:*:*:*:*
cpe:2.3:a:flashtux:weechat:0.3.4:*:*:*:*:*:*:*
cpe:2.3:a:flashtux:weechat:0.3.6:*:*:*:*:*:*:*
cpe:2.3:a:flashtux:weechat:0.3.7:*:*:*:*:*:*:*
cpe:2.3:a:flashtux:weechat:0.3.8:*:*:*:*:*:*:*
cpe:2.3:a:flashtux:weechat:0.3.9:*:*:*:*:*:*:*
cpe:2.3:a:flashtux:weechat:0.3.9.1:*:*:*:*:*:*:*

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