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Fencer Intel
medium 4.3

CVE-2011-5312 json

Multiple cross-site scripting (XSS) vulnerabilities in Gollos 2.8 allow remote attackers to inject arbitrary web script or HTML via the ret…

published 2015-01-01 11 y ago modified 2026-06-16 4 mo ago also EUVD-2011-5211

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 61%
public exploits
0
none known

Summary

Multiple cross-site scripting (XSS) vulnerabilities in Gollos 2.8 allow remote attackers to inject arbitrary web script or HTML via the returnurl parameter to (1) register.aspx, (2) publication/info.aspx, or (3) user/add.aspx, or (4) the q parameter to product/list.aspx.

Exploit prediction

0.97% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • htbridge.com https://www.htbridge.com/advisory/HTB22830 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/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.