CVE-2020-36726 json
Ultimate Reviews < 2.1.33 - PHP Object Injection
published 2023-06-07 3 y ago modified 2026-06-17 4 mo ago also EUVD-2020-24168
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
The Ultimate Reviews plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 2.1.32 via deserialization of untrusted input in several vulnerable functions. This allows unauthenticated attackers to inject a PHP Object. No POP chain is present in the vulnerable plugin.
Patch / fix
- rustaurius Ultimate Reviews 2.1.33
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 22 mo ago
Exploit prediction
1.55% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- blog.nintechnet.com https://blog.nintechnet.com/wordpress-ultimate-reviews-plugin-fixed-insecure-deserialization-vulnerability/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- rustaurius Ultimate Reviews
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
- Technology feeds
References
Sources
- CVE List CVE-2020-36726
- NVD CVE-2020-36726
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.