CVE-2026-85453

MOOS core-moos through 10.4.0 fails to escape database contents when rendering MOOSDB HTTP pages, allowing attackers to inject malicious scripts. Any MOOS publisher can set variable values containing script payloads that execute in the browser of operators viewing the web interface.

CVSS 4.0

5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

CVSS 3.1

6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 26% of CVEs (scores of 2026-10-25)

CWE

CWE-79

Published

2026-09-03

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• themoos:core-moos

References

• https://github.com/themoos/core-moos
• https://github.com/themoos/core-moos/blob/ec9c77c68fcbdef8f5e4c60fe243acd223433f0c/Core/libMOOS/DB/HTTPConnection.cpp#L460
• https://github.com/themoos/core-moos/commit/a3f26f099bb08decb143f704d8b1ca16ae405b44
• https://github.com/themoos/core-moos/pull/78
• https://www.vulncheck.com/advisories/moos-core-moos-through-10.4.0-moosdb-http-pages-stored-cross-site-scripting

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