CVE-2020-22840
Open redirect vulnerability in b2evolution CMS version prior to 6.11.6 allows an attacker to perform malicious open redirects to an attacker controlled resource via redirect_to parameter in email_passthrough.php.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 13.8%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
Description
Open redirect vulnerability in b2evolution CMS version prior to 6.11.6 allows an attacker to perform malicious open redirects to an attacker controlled resource via redirect_to parameter in email_passthrough.php.
- CVSS 3.1
- 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 13.82% probability · 97th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-601
- Affected
- b2evolution/b2evolution
- Source
- cve@mitre.org
EPSS 13.8% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://packetstormsecurity.com/files/161362/b2evolution-CMS-6.11.6-Open-Redirection.htmlExploit, Third Party Advisory, VDB Entry
- https://github.com/b2evolution/b2evolution/issues/102Third Party Advisory
- https://www.exploit-db.com/exploits/49554Exploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/161362/b2evolution-CMS-6.11.6-Open-Redirection.htmlExploit, Third Party Advisory, VDB Entry
- https://github.com/b2evolution/b2evolution/issues/102Third Party Advisory
- https://www.exploit-db.com/exploits/49554Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.