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CVE-2015-7309

61
FAUCET Score

CVE-2015-7309 describes an arbitrary code execution vulnerability in the theme editor of Bolt CMS versions prior to 2.2.5. An authenticated attacker can exploit this by renaming a crafted file to bypass file extension checks, then directly accessing the renamed file. With a CVSS score of 6.5, this vulnerability is moderately severe, allowing for partial confidentiality, integrity, and availability impact with low attack complexity. While not on the KEV catalog, exploit modules are publicly available in Metasploit and ExploitDB, indicating a clear path for exploitation, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.2.0CPE matchmatch criteria
cpe:2.3:a:boltcms:bolt:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.5MEDIUM

AV:N/AC:L/Au:S/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
38.61%
Probability of exploitation in next 30 days
EPSS Percentile
98.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Metasploit: CMS Bolt File Upload Vulnerability · Aug 17, 2015
ExploitDB: EDB-38196 · Sep 15, 2015
This CVE's current EPSS score of 0.3861 is in the 100th percentile among its peer group of 21,939 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (2)

microsoftpatch availablevia msrc
Product: cbl2 bolt 0.9.2-2 on CBL Mariner 2.0Fixed in: 0.9.2-2
microsoftpatch availablevia msrc
Product: 16842-16823Fixed in: 0.9.2-2

Vendor Advisories (1)

microsoft2015-Sep/CVE-2015-7309Moderate

The theme editor in Bolt allows remote authenticated users to execute arbitrary code by renaming a crafted file

Sep 2, 2015

References

blog.curesec.com / article/blog/Bolt-224-Code-Execution-44.html
Exploit
packetstormsecurity.com / files/133539/CMS-Bolt-2.2.4-File-Upload.html
Exploit
bolt.cm / newsitem/bolt-2-2-5-released
PatchVendor Advisory
seclists.org / fulldisclosure/2015/Aug/66
Exploit
exploit-db.com / exploits/38196
Exploit
rapid7.com / db/modules/exploit/multi/http/bolt_file_upload
Exploit