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CVE-2023-22456

21
FAUCET Score

CVE-2023-22456 is a cross-site scripting (XSS) vulnerability affecting ViewVC versions prior to 1.2.2 and 1.1.29. An attacker with commit privileges to a Subversion repository exposed by a trusted ViewVC instance could inject malicious code through files with unsafe names. While the CVSS score is 6.1 (Medium), the attack complexity is low, and the impact is limited to low confidentiality and integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.1.29CPE matchmatch criteria
cpe:2.3:a:viewvc:viewvc:*:*:*:*:*:*:*:*
>= 1.2.0, < 1.2.2CPE matchmatch criteria
cpe:2.3:a:viewvc:viewvc:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.69%
Probability of exploitation in next 30 days
EPSS Percentile
49.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0069 is in the 55th percentile among its peer group of 26,221 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / viewvc/viewvc/issues/311
Issue TrackingThird Party Advisory
github.com / viewvc/viewvc/releases/tag/1.1.29
PatchThird Party Advisory
github.com / viewvc/viewvc/releases/tag/1.2.2
PatchThird Party Advisory
github.com / viewvc/viewvc/security/advisories/GHSA-j4mx-f97j-gc5g
Third Party Advisory