CVE-2025-61539: myUPB · Cross Site Scripting (XSS)
Affects myUPBSource CVE Database V5
Not known to be exploited · CVSS 6.1 Medium.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 18% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 16 Oct 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
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), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHubphp-outburst/myUPBpkg:github/php-outburst/myUPBOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
- Apply any available patches or updates from Ultimate PHP Board developers as soon as they are released.
- Implement strict input validation and output encoding on the u_name parameter and all user-supplied inputs to prevent script injection.
- Employ Content Security Policy (CSP) headers to restrict execution of unauthorized scripts.
- Educate users about the risks of clicking unknown links and recognizing phishing attempts.
- Monitor web server logs and application behavior for suspicious requests targeting lostpassword.php.
- Consider deploying Web Application Firewalls (WAFs) with rules to detect and block XSS payloads.
- Regularly audit and test web applications for XSS and other injection vulnerabilities.
- Limit the privileges of forum users to reduce impact if an account is compromised.
Description
Cross site scripting (XSS) vulnerability in Ultimate PHP Board 2.2.7 via the u_name parameter in lostpassword.php.