{"id":"CVE-2021-33926","details":"An issue in Plone CMS v. 5.2.4, 5.2.3, 5.2.2, 5.2.1, 5.2.0, 5.1rc2, 5.1rc1, 5.1b4, 5.1b3, 5.1b2, 5.1a2, 5.1a1, 5.1.7, 5.1.6, 5.1.5, 5.1.4, 5.1.2, 5.1.1 5.1, 5.0rc3, 5.0rc2, 5.0rc1, 5.0.9, 5.0.8, 5.0.7, 5.0.6, 5.0.5, 5.0.4, 5.0.3, 5.0.2, 5.0.10, 5.0.1, 5.0, 4.3.9, 4.3.8, 4.3.7, 4.3.6, 4.3.5, 4.3.4, 4.3.3, 4.3.20, 4 allows attacker to access sensitive information via the RSS feed protlet.","aliases":["GHSA-47p5-p3jw-w78w","PYSEC-2023-289"],"modified":"2026-07-08T05:57:08.768578938Z","published":"2023-02-17T18:15:11.237Z","database_specific":{"unresolved_ranges":[{"vendor_product":"plone:plone","cpes":["cpe:2.3:a:plone:plone:5.1:alpha2:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.1a1:alpha1:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.1a2:beta4:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.1b2:beta3:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.1b3:beta2:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.1b4:rc2:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.1rc1:rc1:*:*:*:*:*:*"],"extracted_events":[{"introduced":"5.1-alpha2"},{"last_affected":"5.1-alpha2"},{"introduced":"5.1-alpha2"},{"last_affected":"5.1-alpha2"},{"introduced":"5.1a1-alpha1"},{"last_affected":"5.1a1-alpha1"},{"introduced":"5.1a1-alpha1"},{"last_affected":"5.1a1-alpha1"},{"introduced":"5.1a2-beta4"},{"last_affected":"5.1a2-beta4"},{"introduced":"5.1a2-beta4"},{"last_affected":"5.1a2-beta4"},{"introduced":"5.1b2-beta3"},{"last_affected":"5.1b2-beta3"},{"introduced":"5.1b2-beta3"},{"last_affected":"5.1b2-beta3"},{"introduced":"5.1b3-beta2"},{"last_affected":"5.1b3-beta2"},{"introduced":"5.1b3-beta2"},{"last_affected":"5.1b3-beta2"},{"introduced":"5.1b4-rc2"},{"last_affected":"5.1b4-rc2"},{"introduced":"5.1b4-rc2"},{"last_affected":"5.1b4-rc2"},{"introduced":"5.1rc1-rc1"},{"last_affected":"5.1rc1-rc1"},{"introduced":"5.1rc1-rc1"},{"last_affected":"5.1rc1-rc1"}],"source":"CPE_STRING"}]},"references":[{"type":"ADVISORY","url":"https://plone.org/security/hotfix/20210518"},{"type":"ADVISORY","url":"https://plone.org/security/hotfix/20210518/blind-ssrf-via-feedparser-accessing-an-internal-url"},{"type":"EVIDENCE","url":"https://github.com/s-kustm/Subodh/blob/master/Plone%205.2.4%20Vulnerable%20to%20bilend%20SSRF.pdf"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/plone/plone","events":[{"introduced":"3e0c78057de5798ed989d0b2ed9dd12ec39978e1"},{"last_affected":"d5b50de9c17faac5051d06141bd12cd3e40af8e8"}],"database_specific":{"cpe":["cpe:2.3:a:plone:plone:4.3:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:4.3.1:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:4.3.2:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:4.3.3:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:4.3.4:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:4.3.5:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:4.3.6:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:4.3.7:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:4.3.8:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:4.3.9:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:4.3.10:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:4.3.11:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:4.3.12:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:4.3.14:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:4.3.15:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:4.3.17:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:4.3.18:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:4.3.19:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:4.3.20:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.0:-:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.0:rc1:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.0:rc2:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.0:rc3:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.0.1:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.0.2:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.0.3:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.0.4:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.0.5:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.0.6:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.0.7:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.0.8:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.0.9:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.0.10:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.1.1:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.1.2:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.1.4:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.1.5:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.1.6:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.1.7:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.1rc2:-:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.2.0:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.2.1:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.2.2:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.2.3:*:*:*:*:*:*:*","cpe:2.3:a:plone:plone:5.2.4:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"4.3"},{"last_affected":"4.3"},{"introduced":"4.3.1"},{"last_affected":"4.3.1"},{"introduced":"4.3.2"},{"last_affected":"4.3.2"},{"introduced":"4.3.3"},{"last_affected":"4.3.3"},{"introduced":"4.3.4"},{"last_affected":"4.3.4"},{"introduced":"4.3.5"},{"last_affected":"4.3.5"},{"introduced":"4.3.6"},{"last_affected":"4.3.6"},{"introduced":"4.3.7"},{"last_affected":"4.3.7"},{"introduced":"4.3.8"},{"last_affected":"4.3.8"},{"introduced":"4.3.9"},{"last_affected":"4.3.9"},{"introduced":"4.3.10"},{"last_affected":"4.3.10"},{"introduced":"4.3.11"},{"last_affected":"4.3.11"},{"introduced":"4.3.12"},{"last_affected":"4.3.12"},{"introduced":"4.3.14"},{"last_affected":"4.3.14"},{"introduced":"4.3.15"},{"last_affected":"4.3.15"},{"introduced":"4.3.17"},{"last_affected":"4.3.17"},{"introduced":"4.3.18"},{"last_affected":"4.3.18"},{"introduced":"4.3.19"},{"last_affected":"4.3.19"},{"introduced":"4.3.20"},{"last_affected":"4.3.20"},{"introduced":"5.0-NA"},{"las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