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CVE-2017-16949

50
FAUCET Score

CVE-2017-16949 is a critical arbitrary file upload vulnerability affecting the AccessKeys AccessPress Anonymous Post Pro plugin (versions through 3.1.9) for WordPress. Improper input sanitization allows unauthenticated attackers to bypass file extension and size restrictions, leading to the upload and execution of malicious PHP code. With a CVSS score of 9.8 (CRITICAL), this vulnerability poses a severe risk of complete system compromise due to its network-based attack vector and low complexity. While not on CISA's KEV catalog and with no observed active exploitation, public exploit code is available via ExploitDB, indicating a potential for future attacks despite limited community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.1.9CPE matchmatch criteria
cpe:2.3:a:accesspressthemes:anonymous_post_pro:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
19.15%
Probability of exploitation in next 30 days
EPSS Percentile
97.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
ExploitDB: EDB-43324 · Dec 12, 2017
This CVE's current EPSS score of 0.1915 is in the 93rd percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/145398/Accesspress-Anonymous-Post-Pro-Unauthenticated-Arbitrary-File-Upload.html
ExploitThird Party AdvisoryVDB Entry
wpvulndb.com / vulnerabilities/8977
ExploitThird Party AdvisoryVDB Entry
exploit-db.com / exploits/43324
ExploitThird Party AdvisoryVDB Entry