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CVE-2018-15818

25
FAUCET Score

CVE-2018-15818 describes a critical arbitrary file deletion vulnerability in Repute ARForms versions 3.5.1 and prior. An unauthenticated attacker can exploit this flaw by sending a specially crafted request to admin-ajax.php, allowing them to delete any file on the server with web server privileges. With a CVSS score of 7.5 (High), this vulnerability poses a significant risk due to its network-based attack vector and low attack complexity, potentially leading to denial of service or data loss. While no active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion has been observed, the potential impact remains high.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.5.1CPE matchmatch criteria
cpe:2.3:a:reputeinfosystems:repute_arforms:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.05%
Probability of exploitation in next 30 days
EPSS Percentile
79.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0205 is in the 63rd percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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/149981/WordPress-Arforms-3.5.1-Arbitrary-File-Delete.html
ExploitThird Party AdvisoryVDB Entry
wpvulndb.com / vulnerabilities/9139
Third Party Advisory