If a template tag was used in a select tag, the parser could be confused and allow JavaScript parsing and execution when it should not be al

Affected versions

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

• mozilla firefoxbefore 73.0
• mozilla firefox esrbefore 68.5.0
• mozilla thunderbirdbefore 68.5.0

Versions reported by the vendor

Affected version ranges reported by the assigning authority (mozilla). Independent of NVD's CPE analysis and usually ahead of it.

• Mozilla Firefox

  • unspecified and later · before 73affected
  • unspecified and later · before ESR68.5affected

• Mozilla Thunderbird

  • unspecified and later · before 68.5affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

Other highest-scoring records for the same primary product.

• CVE-2010-3765Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before 3.1.6 and 3.0.x before 3.0.10, and SeaMonkey 2.x befKEV
  94Now
• CVE-2019-11708Insufficient vetting of parameters passed with the Prompt:Open IPC message between child and parent processes can result in the non-sandboxeKEV
  87Now
• CVE-2015-4495The PDF reader in Mozilla Firefox before 39.0.3, Firefox ESR 38.x before 38.1.1, and Firefox OS before 2.2 allows remote attackers to bypassKEV
  86Now

Published before and after this one in the same product

• ← EarlierCVE-2020-6796Mar 2, 2020 · A content process could have modified shared memory relating to crash reporting information, crash itself, and cause an out-of-bound write.
  35Monitor
• ← EarlierCVE-2020-6797Mar 2, 2020 · By downloading a file with the .fileloc extension, a semi-privileged extension could launch an arbitrary application on the user's computer.
  17Monitor
• Later →CVE-2020-6799Mar 2, 2020 · Command line arguments could have been injected during Firefox invocation as a shell handler for certain unsupported file types.
  35Monitor

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

Root cause

User content is inserted into the page as HTML. The browser interprets the content as code rather than data.

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

1commentEl.innerHTML = comment.body;

1commentEl.textContent = comment.body;

Attack context

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