CVE-2018-20987 Deserialization in n/a
An attacker can exploit PHP object injection in the Newsletters Lite plugin to potentially execute arbitrary code on the WordPress site.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-20987?
CVE-2018-20987 is a critical unsafe deserialization vulnerability in n/a, published on 22 Aug 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The newsletters-lite plugin before 4.6.8.6 for WordPress has PHP object injection.
Weakness: CWE-502
Which versions are affected by CVE-2018-20987?
It affects 1 product.
Products include Tribulant Newsletters.
How do I fix CVE-2018-20987?
No fix has been published for CVE-2018-20987 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2018-20987 being exploited?
There is no known exploitation of CVE-2018-20987 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2024-8247 Newsletters <= 4.9.9.2 - Authenticated Privilege Escalation
- CVE-2019-14788 Path traversal in n/a
- CVE-2025-4857 Newsletters <= 4.9.9.9 - Authenticated (Administrator+) Local File Inclusion
- CVE-2023-4797 Newsletter Lite < 4.9.3 - Admin+ Command Injection
- CVE-2024-35718 WordPress Newsletters plugin <= 4.9.5 - Reflected Cross Site Scripting (XSS) vulnerability
Sources
Also known as GHSA-vp4q-fgmr-qhqc.