What’s Vulnerable › Vulnerabilities

CVE-2020-37254: Wondershare PDFelement 5.2.9 Privilege Escalation via Unquoted Service Path

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-19 · updated 2026-09-29
• Weakness: CWE-428

Description

Wondershare PDFelement 5.2.9 contains a privilege escalation vulnerability due to an unquoted service path in the WsAppService Windows service. Local attackers can place a malicious executable in the service path and execute code with LocalSystem privileges upon service restart or system reboot.

Affected products

• Wondershare PDFelement: 5.2.9

References

• http://download.wondershare.com/inst/pdfelement_setup_full1042.exe
• https://www.exploit-db.com/exploits/40535
• https://www.vulncheck.com/advisories/wondershare-pdfelement-privilege-escalation-via-unquoted-service-path
• https://www.wondershare.com/

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