CVE-2018-19463 — zb_system/function/lib/upload

zb_system/function/lib/upload.php in Z-BlogPHP through 1.5.1 allows remote attackers to execute arbitrary PHP code by using the image/jpeg content type in an upload to the zb_system/admin/index.php?act=UploadMng URI. NOTE: The vendor's position is "We have no dynamic in

01What is this vulnerability?

zb_system/function/lib/upload.php in Z-BlogPHP through 1.5.1 allows remote attackers to execute arbitrary PHP code by using the image/jpeg content type in an upload to the zb_system/admin/index.php?act=UploadMng URI. NOTE: The vendor's position is "We have no dynamic including. No one can run PHP by uploading an image in current version." It also requires authentication

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2018-11-22T21:00:00.000Z
• Last modified: 2024-08-05T11:37:11.390Z

09References

• github.com — https://github.com/zblogcn/zblogphp/issues/205
• github.com — https://github.com/novysodope/Z-BlogPHP1.5Zero/blob/master/Getshell