CVE-2026-28281Disclosure(instantcms / instantcms)

LOWCVSS 7.1 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

InstantCMS is a free and open source content management system. Prior to 2.18.1, InstantCMS does not validate CSRF tokens, which allows attackers grant moderator privileges to users, execute scheduled tasks, move posts to trash, and accept friend requests on behalf of the user. This vulnerability is fixed in 2.18.1.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-352

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • instantcms

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
Products
instantcms

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-03-10: 1Technical Details · 2026-03-10: 103-10
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-28281 Cross-Site Request Forgery (CSRF) Vulnerability in InstantCMS Before 2.18.1 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-28281

    Post summary

    The note marks CVE-2026-28281 as a CSRF vulnerability affecting InstantCMS versions prior to 2.18.1, directing readers to a vulnerability database entry for more details.

    0001065
    4.0K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appinstantcmsinstantcms---

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