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CVE-2017-5938· NVD / CVE Program· CNA mitre

Cross-site scripting (XSS) vulnerability in the nav_path function in lib/viewvc.py in ViewVC before 1.0.14 and 1.1.x before 1.1.26 allows re

Cross-site scripting (XSS) vulnerability in the nav_path function in lib/viewvc.py in ViewVC before 1.0.14 and 1.1.x before 1.1.26 allows remote attackers to inject arbitrary web script or HTML via the nav_data name.

MediumCVSS 6.1 · v3.0—No exploit Fix available
Published
Mar 15, 2017
Updated
Jun 16, 2026
EPSS
1.3% · 70th percentile
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Report tools

JSON

Action score

24

Monitor

Low priority for now.

CVSS
24 / 40 · 6.1 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.3%

Affected systems

VendorProduct
viewvcviewvc
debiandebian linux
opensuseleap
opensuse projectleap

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • debian debian linux8.0
  • opensuse leap42.2
  • opensuse project leap42.1
  • viewvc viewvcup to 1.1.25 inclusive

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:7viewvcbefore 1.1.5-1.4+deb7u11.1.5-1.4+deb7u1
Debian:8viewvcbefore 1.1.22-1+deb8u11.1.22-1+deb8u1
openSUSE:Tumbleweedviewvcbefore 1.3.0~dev20230104-1.11.3.0~dev20230104-1.1

Same product

viewvc: all records

Other highest-scoring records for the same primary product.

  • CVE-2010-0005query.py in the query interface in ViewVC before 1.1.3 does not reject configurations that specify an unsupported authorizer for a root, whi
    31Monitor
  • CVE-2025-54141ViewVC's standalone server exposes arbitrary server filesystem content
    30Monitor
  • CVE-2007-5743viewvc 1.0.3 allows improper access control to files in a repository when using the "forbidden" configuration option.
    30Monitor
  • CVE-2006-5442ViewVC 1.0.2 and earlier does not specify a charset in its HTTP headers or HTML documents, which allows remote attackers to conduct cross-si
    27Monitor
  • CVE-2023-22456ViewVC XSS vulnerability in revision view changed paths
    24Monitor
  • CVE-2008-4325lib/viewvc.py in ViewVC 1.0.5 uses the content-type parameter in the HTTP request for the Content-Type header in the HTTP response, which al
    23Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
debian:viewvc1.1.5-1.4+deb7u1 · Debian:7Package registry (OSV)
opensuse:viewvc1.3.0~dev20230104-1.1 · openSUSE:TumbleweedPackage registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
low · data can be read
Integrity
low · data or configuration can be modified
Availability
none

Impact can extend beyond the vulnerable component (scope changes).

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality impact
Low
Integrity impact
Low
Availability impact
None

Weakness class (CWE)

CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

nvd-primary

Root cause

User content is inserted into the page as HTML. The browser interprets the content as code rather than data.

The bug in code

The whole CWE-79 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
commentEl.innerHTML = comment.body;

Fixed

ts
commentEl.textContent = comment.body;

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

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We use this product, ask for help

Change log

  1. Fix✗ → ✓

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References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records