CVE-2022-44005

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-11-16 · updated 2026-06-17
Weakness: CWE-639

Description

An issue was discovered in BACKCLICK Professional 5.9.63. Due to the use of consecutive IDs in verification links, the newsletter sign-up functionality is vulnerable to the enumeration of subscribers' e-mail addresses. Furthermore, it is possible to subscribe and verify other persons' e-mail addresses to newsletters without their consent.

Affected products

Backclick: 5.9.63

References

https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2022-026.txt
https://www.syss.de/pentest-blog/vielfaeltige-schwachstellen-in-backclick-professional-syss-2022-026-bis-037
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2022-026.txt
https://www.syss.de/pentest-blog/vielfaeltige-schwachstellen-in-backclick-professional-syss-2022-026-bis-037

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