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CVE-2023-36809

19
FAUCET Score

CVE-2023-36809 affects Kiwi TCMS versions prior to 12.5, stemming from insufficient sanitization and an incorrect Nginx configuration that could allow browsers like Firefox to execute malicious scripts uploaded as attachments. This medium-severity vulnerability (CVSS 5.4) has a low attack complexity and requires user interaction, potentially leading to limited impact on confidentiality and integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 12.5CPE matchmatch criteria
cpe:2.3:a:kiwitcms:kiwi_tcms:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.69%
Probability of exploitation in next 30 days
EPSS Percentile
49.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0069 is in the 83rd percentile among its peer group of 15,225 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 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)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: kiwitcmsFixed in: 12.5

Vendor Advisories (1)

pipGHSA-jpgw-2r9m-8qfwhigh

Kiwi TCMS's misconfigured HTTP headers allow stored XSS execution with Firefox

Jul 5, 2023

References

github.com / kiwitcms/Kiwi/security/advisories/GHSA-jpgw-2r9m-8qfw
Vendor Advisory
huntr.dev / bounties/511489dd-ba38-4806-9029-b28ab2830aa8
ExploitIssue TrackingThird Party Advisory
huntr.dev / bounties/c6eeb346-fa99-4d41-bc40-b68f8d689223
ExploitThird Party Advisory
kiwitcms.org / blog/kiwi-tcms-team/2023/07/04/kiwi-tcms-125
Release Notes
github.com / kiwitcms/kiwi/commit/195ea53eaaf360c19227c864cc0fe58910032c3c
Patch
github.com / kiwitcms/kiwi/commit/ffb00450be52fe11a82a2507632c2328cae4ec9d
Patch