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Fencer Vulns
medium 6.1

CVE-2025-29746 json

Koillection Cross Site Scripting vulnerability

published 2025-05-07 18 mo ago modified 2026-06-17 4 mo ago also GHSA-fxvx-gfmr-5xfj , EUVD-2025-13924

cvss
6.1
version 3.1, 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

Cross Site Scripting vulnerability in Koillection v.1.6.10 allows a remote attacker to escalate privileges via the collection, Wishlist and album components

Patch / fix

  • packagist koillection/koillection 1.6.12

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/benjaminjonard/koillection/issues/1329 referenced PoC, tagged "exploit" by a source, unverified
  • gist.github.com https://gist.github.com/unklerunkle/73e2ab58d1a5b9129be5de55765ea4fe referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
GitHub 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist koillection/koillection
<1.6.12
1.6.12

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.