CVE-2021-29476 is a vulnerability in WordPress Requests
Published on April 27, 2021
Insecure Deserialization of untrusted data in rmccue/requests
Requests is a HTTP library written in PHP. Requests mishandles deserialization in FilteredIterator. The issue has been patched and users of `Requests` 1.6.0, 1.6.1 and 1.7.0 should update to version 1.8.0.
Vulnerability Analysis
CVE-2021-29476 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
What is a Marshaling, Unmarshaling Vulnerability?
The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.
CVE-2021-29476 has been classified to as a Marshaling, Unmarshaling vulnerability or weakness.
Products Associated with CVE-2021-29476
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Affected Versions
WordPress Requests Version >= 1.6.0, < 1.8.0 is affected by CVE-2021-29476Vulnerable Packages
The following package name and versions may be associated with CVE-2021-29476
| Package Manager | Vulnerable Package | Versions | Fixed In |
|---|---|---|---|
| composer | rmccue/requests | >= 1.6.0, < 1.8.0 | 1.8.0 |
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.