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.

Published: 2012-11-19 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-4533 is rated Moderate Risk (49.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.08%). EPSS rose +2.18% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2012-4533

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.91% 3.08% +2.18%
2 2026-02-14 1.29% 0.91% -0.38%
3 2025-03-17 — 1.29% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-4533

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2012-4533

OS Trackers for CVE-2012-4533

vendor priority summary link
ubuntu medium CVE-2012-4533 medium priority: Ubuntu including 1 source packages (viewvc), 15 status rows across 15 suites (hardy, lucid, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety): not-affected 7, ignored 5, released 2, DNE 1. https://ubuntu.com/security/CVE-2012-4533

Affected software / configurations for CVE-2012-4533

Vendor Product Version Raw CPE
viewvc viewvc >= 1.0.0, < 1.0.13 cpe:2.3:a:viewvc:viewvc:*:*:*:*:*:*:*:*
viewvc viewvc >= 1.1.0, < 1.1.16 cpe:2.3:a:viewvc:viewvc:*:*:*:*:*:*:*:*
debian debian_linux 6.0 cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
debian debian_linux 7.0 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*

References for CVE-2012-4533

URL Tags
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=691062 Issue Tracking Mailing List Third Party Advisory
http://osvdb.org/86566 Broken Link
http://secunia.com/advisories/51041 Third Party Advisory
http://secunia.com/advisories/51072 Third Party Advisory
http://viewvc.tigris.org/issues/show_bug.cgi?id=515 Third Party Advisory
http://viewvc.tigris.org/source/browse/%2Acheckout%2A/viewvc/tags/1.0.13/CHANGES
http://viewvc.tigris.org/source/browse/%2Acheckout%2A/viewvc/tags/1.1.16/CHANGES
http://viewvc.tigris.org/source/browse/viewvc?view=rev&revision=2792 Third Party Advisory
http://viewvc.tigris.org/source/browse/viewvc?view=rev&revision=2794 Third Party Advisory
http://www.debian.org/security/2012/dsa-2563 Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2013:134 Third Party Advisory
http://www.openwall.com/lists/oss-security/2012/10/21/2 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2012/10/21/3 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/56161 Third Party Advisory VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/79561 Third Party Advisory VDB Entry
https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0313 Third Party Advisory
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