peter bassill · operator
$ cve CVE-2012-6554 JSON

CVE-2012-6554 EXPLOIT

6.5
MEDIUM · CVSS 2.0 · EPSS 16.7% (pctl 97)

Patch early

A public exploit exists.

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.

Scoring

CVSS6.5 (MEDIUM, v2.0)
VectorAV:N/AC:L/Au:S/C:P/I:P/A:P
EPSS16.7% — more likely to be exploited than 97% of all CVEs
WeaknessCWE-20
On CISA KEVno
Public exploityes
Published2013-05-23
Last modified2026-06-16

Affected (1)

VendorProduct
a51devactivecollab chat module

Public exploits

References

→ the Explorer  ·  watch your stack  ·  NVD