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Fencer Vulns
low 2.4

CVE-2023-5810 json

flusity CMS posts.php loadPostAddForm cross site scripting

published 2023-10-27 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-58093

cvss
2.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 46%
public exploits
0
none known

Summary

A vulnerability, which was classified as problematic, has been found in flusity CMS. This issue affects the function loadPostAddForm of the file core/tools/posts.php. The manipulation of the argument edit_post_id leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The identifier of the patch is 6943991c62ed87c7a57989a0cb7077316127def8. It is recommended to apply a patch to fix this issue. The identifier VDB-243641 was assigned to this vulnerability.

Patch / fix

  • flusity flusity 2023-10-24

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.56% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/flusity/flusity-CMS/issues/2 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 2.4 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
CNA 3.0 2.4 CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
CNA 2.0 3.3 AV:N/AC:L/Au:M/C:N/I:P/A:N
NVD 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Affected products

  • flusity CMS

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.