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Description

A vulnerability was identified in rethinkdb up to 2.4.3. Affected by this issue is some unknown functionality of the component Secondary Index Handler. Such manipulation leads to cross site scripting. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

PUBLISHED Reserved 2026-01-28 | Published 2026-01-28 | Updated 2026-02-23 | Assigner VulDB




MEDIUM: 4.8CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
LOW: 2.4CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
LOW: 2.4CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
3.3AV:N/AC:L/Au:M/C:N/I:P/A:N/E:POC/RL:ND/RC:UR

Problem types

Cross Site Scripting

Code Injection

Timeline

2026-01-28:Advisory disclosed
2026-01-28:VulDB entry created
2026-01-29:VulDB entry last update

Credits

59lab (VulDB User) reporter

References

vuldb.com/?id.343191 (VDB-343191 | rethinkdb Secondary Index cross site scripting) vdb-entry

vuldb.com/?ctiid.343191 (VDB-343191 | CTI Indicators (IOB, IOC, TTP)) signature permissions-required

vuldb.com/?submit.738312 (Submit #738312 | rethinkdb V2.4.3(latest) cross-site scripting(XSS)) third-party-advisory

github.com/...SS) vulnerability in the rethinkdb database.md related

github.com/...SS) vulnerability in the rethinkdb database.md exploit

cve.org (CVE-2026-1520)

nvd.nist.gov (CVE-2026-1520)

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