Responsive Lightbox & Gallery < 2.5.3 - Unauthenticated Stored-XSS via Comments
Priority MEDIUM 61Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
The Responsive Lightbox & Gallery WordPress plugin before 2.5.3 does not properly handle HTML tag attributes modifications, potentially allowing unauthenticated attackers to abuse the functionality to include event handlers and conduct Stored XSS attacks.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00214 11th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Responsive Lightbox & Gallery (Unknown): 2.5.3
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Responsive Lightbox & Gallery | before 2.5.3 | 2.5.3 | Patch available | CNA |
- Responsive Lightbox & Gallery VendorUnknown Affected before 2.5.3 Fixed in 2.5.3 Patch available CNA
Remediation
- Fix · CNA Responsive Lightbox & Gallery (Unknown) Fixed in 2.5.3
Timeline
- 2026-10-02 Threatist record created from CVE-2025-9710
- 2026-10-03 Alias added: GHSA-855p-w5cf-52rp
References
Sources
- CVE-2025-9710 · CVE Program
- CVE-2025-9710 · NVD
- FIRST EPSS
- GHSA-855p-w5cf-52rp · GitHub Advisory Database · CC BY 4.0
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