ViewVC before 1.0.5 provides revision metadata without properly checking whether access was intended, which allows remote attackers to obtai

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

• viewvc viewvc1.0.2
• viewvc viewvc1.0.3

Other highest-scoring records for the same primary product.

• CVE-2010-0005query.py in the query interface in ViewVC before 1.1.3 does not reject configurations that specify an unsupported authorizer for a root, whi
  31Monitor
• CVE-2025-54141ViewVC's standalone server exposes arbitrary server filesystem content
  30Monitor
• CVE-2007-5743viewvc 1.0.3 allows improper access control to files in a repository when using the "forbidden" configuration option.
  30Monitor
• CVE-2006-5442ViewVC 1.0.2 and earlier does not specify a charset in its HTTP headers or HTML documents, which allows remote attackers to conduct cross-si
  27Monitor
• CVE-2023-22456ViewVC XSS vulnerability in revision view changed paths
  24Monitor
• CVE-2017-5938Cross-site scripting (XSS) vulnerability in the nav_path function in lib/viewvc.py in ViewVC before 1.0.14 and 1.1.x before 1.1.26 allows re
  24Monitor

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Root cause

The extension requests broader permissions than its function needs and sends the data it collects out for purposes beyond its stated function.

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

1{2  "permissions": ["tabs", "<all_urls>"],3  "background": { "service_worker": "analytics.js" }4}

1{2  "permissions": ["activeTab"],3  "host_permissions": ["https://yildiz.example/*"]4}

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.