PT-2021-16897 · Publify · Publify

Published 2021-11-02 · Updated 2024-03-06 · CVE-2021-25973

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Publify versions 9.0.0.pre1 through 9.2.4

Description The issue is related to Improper Access Control, where guest role users can self-register even when the admin does not allow it. This occurs due to the restriction being only at the front-end.

Recommendations For Publify versions 9.0.0.pre1 through 9.2.4, consider disabling the self-registration feature for guest role users until a patch is available. Restrict access to the registration endpoint to minimize the risk of exploitation. Avoid relying solely on front-end restrictions for access control. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Authorization

Incorrect Authorization

Weakness Enumeration

CWE-285

CWE-669

CWE-863

Related Identifiers

BIT-PUBLIFY-2021-25973

CVE-2021-25973

GHSA-X24J-87X9-JVV5

Affected Products

Publify

References · 9

• 🔥 https://github.com/rubysec/ruby-advisory-db/blob/master/gems/publify_core/CVE-2021-25973.yml · Exploit
• https://github.com/publify/publify/commit/3447e0241e921b65f6eb1090453d8ea73e98387e · Patch
• https://osv.dev/vulnerability/CVE-2021-25973 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-25973 · Security Note
• https://osv.dev/vulnerability/BIT-publify-2021-25973 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-x24j-87x9-jvv5 · Vendor Advisory
• https://github.com/publify/publify · Note
• https://whitesourcesoftware.com/vulnerability-database/CVE-2021-25973 · Note
• https://t.me/cvenotify/22861 · Telegram Post