CVE-2012-6554

medium

Published 2013-05-23 · Modified 2026-04-29

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

7.5

Description

functions/html_to_text.php in the Chat module before 1.5.2 for activeCollab allows remote authenticated users to execute arbitrary PHP code via the message[message_text] parameter to chat/add_messag, which is not properly handled when executing the preg_replace function with the eval switch.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-18898 remote php verified

Metasploit · 2012-05-19

Active Collab 'chat module' < 2.3.8 - Remote PHP Code Injection (Metasploit)

Source code queued for fetch — refresh in a moment.

Metasploit modules

exploit_multi/http/activecollab_chat rank 600

Active Collab "chat module" Remote PHP Code Injection Exploit

Source fetch failed: fetch_error — view the original via the link above.

Application impact

Vendor	Product	Versions
a51dev	activecollab_chat_module	`1.0`
a51dev	activecollab_chat_module	`1.1`
a51dev	activecollab_chat_module	`1.1.1`
a51dev	activecollab_chat_module	`1.2`
a51dev	activecollab_chat_module	`1.3`
a51dev	activecollab_chat_module	`1.3.2`
a51dev	activecollab_chat_module	`1.4`
a51dev	activecollab_chat_module	`1.4.1`
a51dev	activecollab_chat_module	`1.5`
a51dev	activecollab_chat_module	`1.5.1`

References

CWEs

CWE-20

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.