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Fencer Intel
medium 5.3

CVE-2025-29993 json

The affected versions of PowerCMS allow HTTP header injection.

published last yr. modified 4mo ago also EUVD-2025-8406

cvss
5.3
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 21%
public exploits
0
none known

Summary

The affected versions of PowerCMS allow HTTP header injection. This vulnerability can be leveraged to direct the affected product to send email with a tampered URL, such as password reset mail.

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CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected products

  • Alfasado Inc. PowerCMS 6.x series
  • Alfasado Inc. PowerCMS 5.x series
  • Alfasado Inc. PowerCMS 4.x series

Classification

Weakness
  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

Sources

Fencer Intel 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.