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Concrete CMS · disclosed reports

Deserialization and Object Injection

2 disclosed reports · $0 paid · 2 valid

Every dot is a report; the named ones are the most upvoted. Bright dots were paid a bounty. A report opens its page here: our analysis where there is one, and the link to HackerOne. The status is HackerOne's own outcome; "access needed" is only what a title states.

Open Concrete CMS on HackerOne
reports
2
valid
2
paid a bounty
0

Every one of the 2 is a mark on the map. Named now: 1 to 2, most upvoted first.

  1. Arbitrary File delete via PHAR deserialization#921288Concrete CMS · 28 votesValid

    CVE-2021-40102

  2. Phar Deserialization Vulnerability via Logging Settings#1063039Concrete CMS · 5 votesValid

    CVE-2021-36766

paid a bounty

Zoom in on the map and the dots under the middle of it are named where they are.

Data as of 2026-11-15. CVE List through 2026-11-15 · EPSS of 2026-11-14 · CISA KEV checked 2026-11-15. Sources: the CVE List, CISA KEV, EPSS, NVD, nuclei templates and public bug bounty data.