Skip to content
CVE Tracker
Back

CVE-2011-2990

The implementation of Content Security Policy (CSP) violation reports in Mozilla Firefox 4.x through 5, SeaMonkey 2.x before 2.3, and…

Medium5.0EPSS 0.97%
Published
Updated
Reserved
Assigned by
mitre

Description

The implementation of Content Security Policy (CSP) violation reports in Mozilla Firefox 4.x through 5, SeaMonkey 2.x before 2.3, and possibly other products does not remove proxy-authorization credentials from the listed request headers, which allows attackers to obtain sensitive information by reading a report, related to incorrect host resolution that occurs with certain redirects.

Scores

CVSS scores of CVE-2011-2990, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified2.0Medium5.0AV:N/AC:L/Au:N/C:P/I:N/A:N
EPSS (exploitation in 30 days)
0.97% · top 38% of all CVEs (2 Nov 2026)

Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Weakness

Affected products

  • n/a

    • affected n/a

References (6)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .