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Fencer Intel
medium 5.4

CVE-2021-25790 json

Multiple stored cross site scripting (XSS) vulnerabilities in the "Register" module of House Rental and Property Listing 1.0 allows authent…

published 5y ago modified 4mo ago also EUVD-2021-12673

cvss
5.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

Multiple stored cross site scripting (XSS) vulnerabilities in the "Register" module of House Rental and Property Listing 1.0 allows authenticated attackers to execute arbitrary web scripts or HTML via crafted payloads in all text fields except for Phone Number and Alternate Phone Number.

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Exploit prediction

0.88% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • exploit-db.com https://www.exploit-db.com/exploits/49352 referenced PoC, tagged "exploit" by a source, unverified

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
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N

Classification

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

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.