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CVE-2023-2523

47
FAUCET Score

CVE-2023-2523 is a critical unrestricted file upload vulnerability affecting Weaver E-Office 9.5, specifically within the App/Ajax/ajax.php?action=mobile_upload_save component. This flaw, stemming from improper handling of the upload_quwan argument, allows remote attackers to upload arbitrary files. With a CVSS score of 9.8 (Critical) and an EPSS score indicating high exploitability, successful exploitation could lead to complete compromise of confidentiality, integrity, and availability. While no active exploitation is confirmed, the exploit has been publicly disclosed, and despite its severity, there is minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
9.5CPE matchmatch criteria
cpe:2.3:a:e-office:e-office:9.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.3HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
32.90%
Probability of exploitation in next 30 days
EPSS Percentile
98.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.3290 is in the 95th percentile among its peer group of 36,862 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

github.com / RCEraser/cve/blob/main/Weaver.md
Exploit
vuldb.com
Permissions RequiredThird Party Advisory
vuldb.com
Permissions RequiredThird Party Advisory