What’s Vulnerable › Vulnerabilities

CVE-2013-3300

• Severity: medium (CVSS 4.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2013-07-29 · updated 2026-06-16
• Weakness: CWE-119

Description

The JsonParser class in json/JsonParser.scala in Lift before 2.5 interprets a certain end-index value as a length value, which allows remote authenticated users to obtain sensitive information from other users' sessions via invalid input data containing a < (less than) character.

Affected products

• Liftweb Lift: through 2.5; 2.1, 2.2, 2.3, 2.4, 2.5-m4, 2.5-rc1 (+4)

References

• http://blog.addepar.com/2013/07/an-atypical-web-vulnerability.html
• https://github.com/lift/framework/commit/099d9c86cf6d81f4953957add478ab699946e601
• http://blog.addepar.com/2013/07/an-atypical-web-vulnerability.html
• https://github.com/lift/framework/commit/099d9c86cf6d81f4953957add478ab699946e601

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