MEDIUMPOC
CVE-2020-35687
CWE-352Published: January 13, 2021· Updated: Jun 17, 2026
4.3
CVSS v3.1
Official Description
PHPFusion version 9.03.90 is vulnerable to CSRF attack which leads to deletion of all shoutbox messages by the attacker on behalf of the logged in victim.
Technical Analysis
CVE-2020-35687 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
A proof-of-concept (PoC) exploit exists for CVE-2020-35687. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Affected Vendors & Products
php-fusion1 product(s)
phpfusion
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
POC AVAILABLEProof-of-concept code exists
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (4)
→
https://github.com/PHPFusion/PHPFusion/issues/2347Exploit · Issue Tracking · Third Party Advisory
→
https://www.exploit-db.com/exploits/49426Exploit · Third Party Advisory · VDB Entry
→
https://github.com/PHPFusion/PHPFusion/issues/2347Exploit · Issue Tracking · Third Party Advisory
→
https://www.exploit-db.com/exploits/49426Exploit · Third Party Advisory · VDB Entry
Quick Facts
CVE IDCVE-2020-35687
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-352
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedJan 13, 2021
Related CVEs (CWE-352)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-35687 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.