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Fencer Intel
medium 6.1

CVE-2016-2511 json

Cross-site scripting (XSS) vulnerability in WebSVN 2.3.3 and earlier allows remote attackers to inject arbitrary web script or HTML via the…

published 2016-04-07 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-3592

cvss
6.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits
0
none known

Summary

Cross-site scripting (XSS) vulnerability in WebSVN 2.3.3 and earlier allows remote attackers to inject arbitrary web script or HTML via the path parameter to log.php.

Patch / fix

  • websvn Ubuntu 14.04 LTS 2.3.3-1.1+deb7u2build0.14.04.1

ubuntu advisories UBUNTU-CVE-2016-2511

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-2511 updated cvss 3.5

websvn: reflected cross-site scripting

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.71% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • packetstormsecurity.com http://packetstormsecurity.com/files/135886/WebSVN-2.3.3-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified
  • seclists.org http://seclists.org/fulldisclosure/2016/Feb/99 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 6.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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.