CVE-2016-20063
Single Personal Message 1.0.3 contains an SQL injection vulnerability that allows authenticated users to execute arbitrary SQL queries by injecting malicious code through the message parameter.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Single Personal Message 1.0.3 contains an SQL injection vulnerability that allows authenticated users to execute arbitrary SQL queries by injecting malicious code through the message parameter. Attackers can access the admin interface and supply crafted SQL statements in the message parameter to extract sensitive database information including user credentials and site configuration data.
- CVSS 4.0
- 7.1 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.22% probability · 13th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-89
- Source
- disclosure@vulncheck.com
EPSS 0.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lenonleite.com.br/
- http://target/wp-admin/admin.php?page=simple-personal-message-outbox&action=view&message=0%20UNION%20SELECT%201,2.3,name,5,slug,7,8,9,10,11,12%20FROM%20wp_terms%20WHERE%20term_id=1
- https://wordpress.org/plugins/simple-personal-message/
- https://www.exploit-db.com/exploits/40870
- https://www.vulncheck.com/advisories/single-personal-message-wordpress-plugin-sql-injection
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.