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Fencer Vulns
low 3.5

CVE-2023-3143 json

SourceCodester Online Discussion Forum Site manage_post.php cross site scripting

published 2023-06-07 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-43827

cvss
3.5
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 49%
public exploits
0
none known

Summary

A vulnerability classified as problematic has been found in SourceCodester Online Discussion Forum Site 1.0. Affected is an unknown function of the file admin\posts\manage_post.php. The manipulation of the argument content leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-231012.

Exploit prediction

0.61% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/Peanut886/Vulnerability/blob/main/webray.com.cn/Online%20Discussion%20Forum%20Site%20-%20multiple%20vulnerabilities.md#11xss-vulnerability-in-adminpostsmanage_postphpcontent referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 3.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
CNA 3.0 3.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
CNA 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:P/A:N
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

  • SourceCodester Online Discussion Forum Site

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.