CVE-2025-6848: code-projects Simple Forum · Unrestricted Upload
Affects code-projects Simple ForumSource CVE Database V5
Public exploit available · CVSS 5.3 Medium.
Data as of 26 Oct 2026, 11:42 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 31% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 29 Jun 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: evidence found.
CVSS exploit maturity: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| code-projects Simple Forum | Affected
| Fixed in– |
AI-suggested
- Immediate mitigation should include disabling file upload functionality in /forum1.php if not essential, or restricting upload types and sizes through server-side validation.
- Implement strict input validation and sanitization on the 'File' parameter to prevent unauthorized uploads.
- Employ web application firewalls (WAFs) with custom rules to detect and block suspicious upload attempts targeting /forum1.php.
- Restrict file execution permissions in upload directories to prevent execution of uploaded malicious files.
- Monitor server logs for unusual upload activity or access patterns to /forum1.php.
- If possible, isolate the forum application in a segmented network zone to limit lateral movement in case of compromise.
- Engage with the vendor or community to obtain or develop patches addressing this vulnerability.
- Regularly update and audit forum software and dependencies to prevent similar issues.
- Educate administrators on secure configuration and incident response procedures related to web application vulnerabilities.
Description
A vulnerability, which was classified as critical, has been found in code-projects Simple Forum 1.0. This issue affects some unknown processing of the file /forum1.php. The manipulation of the argument File leads to unrestricted upload. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.