How severe is CVE-2012-4533?

CVE-2012-4533 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2012-4533 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-4533?

CVE-2012-4533 primarily affects Viewvc. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-4533?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-4533 published?

CVE-2012-4533 was published on 2012-11-19 and last updated on 2026-06-16.

CVE-2012-4533

CVE-2012-4533 is a medium-severity vulnerability in Viewvc with a CVSS 2.0 base score of 4.3. 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-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Viewvc
Published: 2012-11-19
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in the "extra" details in the DiffSource._get_row function in lib/viewvc.py in ViewVC 1.0.x before 1.0.13 and 1.1.x before 1.1.16 allows remote authenticated users with repository commit access to inject arbitrary web script or HTML via the "function name" line.

Frequently asked questions

What is CVE-2012-4533?: Cross-site scripting (XSS) vulnerability in the "extra" details in the DiffSource._get_row function in lib/viewvc.py in ViewVC 1.0.x before 1.0.13 and 1.1.x before 1.1.16 allows remote authenticated users with repository commit access to inject arbitrary web script or HTML via the "function name" line.
How severe is CVE-2012-4533?: CVE-2012-4533 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2012-4533 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4533?: CVE-2012-4533 primarily affects Viewvc. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-4533?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-4533 published?: CVE-2012-4533 was published on 2012-11-19 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:viewvc:viewvc:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*

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