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Fencer Vulns
medium 5.4

CVE-2023-49117 json

PowerCMS (6 Series, 5 Series, and 4 Series) contains a stored cross-site scripting vulnerability.

published 2023-12-26 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-53125

cvss
5.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 22%
public exploits
0
none known

Summary

PowerCMS (6 Series, 5 Series, and 4 Series) contains a stored cross-site scripting vulnerability. If this vulnerability is exploited, an arbitrary script may be executed on a logged-in user's web browser. Note that all versions of PowerCMS 3 Series and earlier which are unsupported (End-of-Life, EOL) are also affected by this vulnerability.

Patch / fix

  • alfasado powercms 4.55, 5.25

Exploit prediction

0.30% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
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

  • Alfasado Inc. PowerCMS (PowerCMS 6 Series)
  • Alfasado Inc. PowerCMS (PowerCMS 5 Series)
  • Alfasado Inc. PowerCMS (PowerCMS 4 Series)

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.